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Chem Quiz

Total questions: 185

Worksheet time: 5hrs 29mins

Name
Class
Date
1.

Why does a higher temperature increase the rate of a reaction?

a)

it increases both the frequency and energy of particle collisions

b)

it only increases the frequency of particle collisions

c)

it only increases the energy of particle collisions

d)

it reduces the activation energy of the reaction

2.

Grinding a effervescent tablet into powder increases the rate of reaction due to increased

a)

concentration

b)

surface area

c)

temperature

d)

reactants

3.

Adding a catalyst ___________ the activation energy.

a)

Raises

b)

Lowers

c)

Doesn't affect

d)

Inreases

4.

The minimum amount of energy needed for colliding particles to react is called

a)

Chemical Energy

b)

Kinetic Energy

c)

Activation Energy

d)

Potential Energy

5.

Which graph shows the effect of increasing temperature on the rate of reaction of calcium carbonate with dilute hydrochloric acid?

a)
b)
c)
d)
6.
The graph shows how the total volume of a gas given off from a reaction changes with time. In which time interval is least gas given off? 
a)
A
b)
B
c)
C
d)
D
7.
In an experiment, a 2 g lump of zinc and 2 g of powdered zinc are added separately to equal volumes of dilute sulphuric acid. The solid line on the graph shows the volume of gas given off when the 2 g lump is used. Which dotted line is obtained when the zinc is powdered? 
a)
A
b)
B
c)
C
d)
D
8.
A student investigated the rate of reaction of calcium carbonate with dilute hydrochloric acid. Every minute, the student recorded the total volume of carbon dioxide produced, until some time after the reaction was complete.
Which graph shows the correct results? 
a)
A
b)
B
c)
C
d)
D
9.
Order the letters from highest to lowest rate of reaction.
a)
A > B > C > D
b)
A > BC > D (B and C have the same rate)
c)
A > B > CD (C and D have the same rate)
d)
D > C > B > A
10.
Why does a catalyst increase the rate of reaction?
a)
it produces extra energy for the reactants
b)
it increases the speed of the reactant particles
c)
it increases the frequency of particle collisions
d)
it reduces the activation energy of the reaction 
11.
Why don't all collisions between particles cause a reaction?
a)
the particles also need to collide with a catalyst
b)
not all the particles collide with enough energy
c)
not all the particles collide at a high enough temperature
d)
the particles need to collide with each other twice
12.

How could we make this reaction happen more quickly?

a)

Decrease the concentration of the acid

b)

crush the chalk to increase the surface area

c)

Put the test tube in an ice bath

13.

The major theory of reaction rate is called

a)

Collision theory

b)

Crash theory

c)

Newton's laws

d)

Thermodynamics

14.
The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?
a)
Red, because the activation energy is larger
b)
Blue, because the activation energy is lower
c)
both reaction progress at the same rate
15.
What does NOT happen when the temperature is increased?
a)
Particles collide more often
b)
Particles collide with more energy
c)
Particles move faster
d)
More particles collide in the correct orientation
16.
What makes an effective collision?
a)
When molecules collide.
b)
When molecules collide with the proper orientation.
c)
When molecules collide with proper orientation and enough kinetic energy.
d)
High Temperature.
17.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
18.
Which letter corresponds to the activation energy of the forward reaction?
a)
A
b)
B
c)
C
d)
D
19.

Which factors affect the rate of a reaction?

a)

temperature

b)

concentration

c)

surface area

d)

pressure

e)

catalyst

20.

Why does a higher concentration increase the rate of reaction?

a)

it increases the amount of reactants

b)

it lowers the activation energy

c)

it increases the energy of particle collisions

d)

it increases the frequency of particle collisions

21.

Why does a higher temperature increase the rate of a reaction?

a)

it increases both the frequency and energy of particle collisions

b)

it only increases the frequency of particle collisions

c)

it only increases the energy of particle collisions

d)

it reduces the activation energy of the reaction

22.

Grinding a effervescent tablet into powder increases the rate of reaction due to increased

a)

concentration

b)

surface area

c)

temperature

d)

reactants

23.

Increasing the temperature gives particles more __________.

a)

Time

b)

Energy

c)

Space

d)

Frequency

24.

As the frequency of ______________ increases, the rate of reaction increases.

a)

Time

b)

Reactions

c)

Collisions

d)

Reactants

25.

Adding a catalyst ___________ the activation energy.

a)

Raises

b)

Lowers

c)

Doesn't affect

d)

Inreases

26.

The minimum amount of energy needed for colliding particles to react is called

a)

Chemical Energy

b)

Kinetic Energy

c)

Activation Energy

d)

Potential Energy

27.

Substance that changes the rate of a chemical reaction without being consumed in the reaction

a)

bonding

b)

catalyst

c)

chemical reaction

d)

activation energy

28.
What method can NOT be used to collect gas?
a)
Using a gas syringe
b)
Collecting it in a measuring cylinder under water
c)
Measuring the change in mass
d)
Seeing how quickly the solution goes cloudy
29.

Which graph shows the effect of increasing temperature on the rate of reaction of calcium carbonate with dilute hydrochloric acid?

a)
b)
c)
d)
30.

P, Q, R and S are pieces of apparatus.

Which row describes the correct apparatus for the measurement made?

a)

A

b)

B

c)

C

d)

D

31.
What type of reaction is this?
a)
Endothermic
b)
Exothermic
32.
The graph shows how the total volume of a gas given off from a reaction changes with time. In which time interval is least gas given off? 
a)
A
b)
B
c)
C
d)
D
33.
In an experiment, a 2 g lump of zinc and 2 g of powdered zinc are added separately to equal volumes of dilute sulphuric acid. The solid line on the graph shows the volume of gas given off when the 2 g lump is used. Which dotted line is obtained when the zinc is powdered? 
a)
A
b)
B
c)
C
d)
D
34.

Icing sugar has a greater ______ _____ than a solid cube of

sugar.

a)

Surface Area

b)

Catalyst

c)

Temperature

35.
A solution of hydrogen peroxide releases oxygen slowly at room temperature.
 hydrogen peroxide → water + oxygen
 The diagrams show the effect of adding blood to the solution. What could be the reason for the observed change? 
a)
Blood contains an enzyme. 
b)
Blood contains water. 
c)
The hydrogen peroxide becomes more concentrated. 
d)
The hydrogen peroxide is neutralised by blood. 
36.
A liquid X reacts with solid Y to form a gas.
Which two diagrams show suitable methods for investigating the speed of the reaction? 
a)
1 and 3
b)
1 and 4
c)
2 and 3
d)
2 and 4
37.
In which experiment is the rate of reaction between hydrochloric acid and calcium carbonate slowest? 
a)
A
b)
B
c)
C
d)
D
38.
A student investigated the rate of reaction of calcium carbonate with dilute hydrochloric acid. Every minute, the student recorded the total volume of carbon dioxide produced, until some time after the reaction was complete.
Which graph shows the correct results? 
a)
A
b)
B
c)
C
d)
D
39.
Identify where the reaction has finished
a)
A
b)
B
c)
C
d)
D
40.
Order the letters from highest to lowest rate of reaction.
a)
A > B > C > D
b)
A > BC > D (B and C have the same rate)
c)
A > B > CD (C and D have the same rate)
d)
D > C > B > A
41.
Identify the part of the graph with the fastest rate of reaction.
a)
A
b)
B
c)
C
d)
D
42.

Why does a higher temperature increase the rate of a reaction?

a)

it increases both the frequency and energy of particle collisions

b)

it only increases the frequency of particle collisions

c)

it only increases the energy of particle collisions

d)

it reduces the activation energy of the reaction

43.

Grinding a effervescent tablet into powder increases the rate of reaction due to increased

a)

concentration

b)

surface area

c)

temperature

d)

reactants

44.

Adding a catalyst ___________ the activation energy.

a)

Raises

b)

Lowers

c)

Doesn't affect

d)

Inreases

45.

The minimum amount of energy needed for colliding particles to react is called

a)

Chemical Energy

b)

Kinetic Energy

c)

Activation Energy

d)

Potential Energy

46.
The graph shows how the total volume of a gas given off from a reaction changes with time. In which time interval is least gas given off? 
a)
A
b)
B
c)
C
d)
D
47.
Why does a catalyst increase the rate of reaction?
a)
it produces extra energy for the reactants
b)
it increases the speed of the reactant particles
c)
it increases the frequency of particle collisions
d)
it reduces the activation energy of the reaction 
48.
Why don't all collisions between particles cause a reaction?
a)
the particles also need to collide with a catalyst
b)
not all the particles collide with enough energy
c)
not all the particles collide at a high enough temperature
d)
the particles need to collide with each other twice
49.
What makes an effective collision?
a)
When molecules collide.
b)
When molecules collide with the proper orientation.
c)
When molecules collide with proper orientation and enough kinetic energy.
d)
High Temperature.
50.

Why does a higher concentration increase the rate of reaction?

a)

it increases the amount of reactants

b)

it lowers the activation energy

c)

it increases the energy of particle collisions

d)

it increases the frequency of particle collisions

51.

Why does a higher temperature increase the rate of a reaction?

a)

it increases both the frequency and energy of particle collisions

b)

it only increases the frequency of particle collisions

c)

it only increases the energy of particle collisions

d)

it reduces the activation energy of the reaction

52.

How is this equipment being used to measure the rate of reaction?

a)

The gas syringe measures how much gas is produced in a certain time

b)

The reaction mixture will increase in volume in a certain time

53.

The rates of some chemical reactions can be measured by using the apparatus shown. For which reaction is this apparatus suitable?

a)

MgCO3 + 2HCl -> MgCl2 + CO2 + H2O

b)

Mg + ZnCl2 -> MgCl2 + Zn

c)

MgCl2 + 2NaOH -> Mg(OH)2 + 2NaCl

d)

MgO + 2HCl -> MgCl2 + H2O

54.

When you react sodium thiosulfate and hydrochloric acid, the solution turns cloudy. This is because...

a)

a sodium precipitate is produced

b)

a sulfur precipitate is produced

55.

Which solution show a higher concentration (left or right)?

a)

left

b)

right

c)

both the same

56.

The more concentrated the sodium thiosulfate solution, the less time is taken for the cross to become no longer visible. Give two reasons why.

a)

Particles are more spread out

b)

Particles collide more frequently

c)

Particles have more energy

d)

Particles move more quickly

e)

There are more particles in a fixed volume

57.

How does a catalyst work in speeding up a reaction?

a)

By lowering the activation energy or reaction

b)

by giving them more energy

c)

by making them more available

58.

The rate of a reaction is described as the speed at which the amount of reactants decreases or the amount of ______ increases

a)

reagents

b)

gases

c)

products

d)

metals

59.

The rate of a reaction can be calculated as the change in concentration, volume or mass divided by _________

a)

time

b)

mass

c)

moles

d)

rate

60.

When acid is reacted with calcium carbonate the volume of carbon dioxide released is recorded, what equipment could be used to record the volume of gas? (pick all correct answers)

a)

A pipette

b)

A burette

c)

A gas syringe

d)

A measuring cylinder submerged in water

61.

Which line represents a higher initial rate of reaction?

a)

1

b)

2

c)

They both have the same initial rate

62.

As the reaction progresses both lines plateau, why is this the case?

a)

The rate of reaction is at a constant high rate

b)

The reaction has reached the maximum rate

c)

The reaction has stopped and no more carbon dioxide is produced.

63.

What might cause the difference between line 1 and 2?

a)

Reaction 1 contains a solid with a higher surface area than the solid in reaction 2

b)

Reaction 1 is carried out at a higher temperature than reaction 2

c)

Reaction 1 uses a catalyst and reaction 2 does not.

d)

Reaction 1 has a greater number of moles of reactants than reaction 2.

64.

Substances which are powdered will react faster, this is because...

a)

A smaller surface area of solid will result in more frequent successful collisions

b)

A larger surface area of solid will result in more frequent successful collisions

c)

A larger surface area of solid will result in the particles having higher energy and therefore more particle will have the required activation energy.

d)

A smaller surface area of solid will result in the particles having higher energy and therefore more particle will have the required activation energy.

65.

Collision theory states that for a reaction to take place the the particles must collide with sufficient energy for the collision to result in a reaction. This amount of energy is called the...

a)

collision energy

b)

frequency energy

c)

activation energy

d)

success energy

66.

The reaction profile digram is shown for an exothermic reaction, which arrow represents the activation energy?

a)

A

b)

B

c)

C

67.

The reaction between an acid and calcium carbonate was carried out (reaction 1) it was repeated at a higher temperature. Which line (or lines) could represent the reaction?

a)

1

b)

2

c)

3

d)

4

68.

The reaction between an excess of acid and calcium carbonate was carried out (reaction 1) it was repeated but the concentration of the acid was reduced but still remained in excess. Which line (or lines) could represent the reaction?

a)

1

b)

2

c)

3

d)

4

69.

The reaction between an excess of acid and calcium carbonate was carried out (reaction 1) it was repeated but the mass of the calcium carbonate was halved. Which line (or lines) could represent the reaction?

a)

1

b)

2

c)

3

d)

4

70.

Reactions taking place at a higher temperature have a higher rate of reaction because...

a)

The particle move faster and so there are more frequent collisions.

b)

Higher temperatures break the particles down into smaller parts and so they have a greater surface area resulting in more frequent collisions.

c)

The particles have more energy and so more of the collisions exceed the activation energy and so there are more frequent successful collisions.

d)

Higher temperatures cause the water to evaporate and the solutions to become more concentrated, this means there will be more frequent collisions.

71.

Catalysts are...

a)

Substances that speed up the rate of a reaction

b)

Substances that are chemically unchanged at the en of a reaction

c)

Always solids

d)

Often (but not always) transition metal compounds.

72.

Catalysts work by...

a)

Providing an alternative route for a reaction with a lower activation energy. This results in less frequent successful collisions.

b)

Providing an alternative route for a reaction with a lower activation energy. This results in less frequent successful collisions.

c)

Providing an alternative route for a reaction with a higher activation energy. This results in more frequent successful collisions.

d)

Providing an alternative route for a reaction with a lower activation energy. This results in more frequent successful collisions.

73.

What does rate of reaction tell us?

a)

How fast products turn into reactants

b)

How fast reactants turn into products

c)

If a reaction happens or not

d)

What happens during a reaction

74.

What factors affect rate of reaction?

a)

Surface area

b)

Catalysts

c)

Temperature

d)

Concentration

e)

Time

75.

What is activation energy?

a)

Energy needed to make chemicals spontaneously split apart

b)

Energy to activate chemicals

c)

Largest amount of energy particles have

d)

Smallest amount of energy particles need before they react

76.

What is needed for particles to react?

a)

They must collide

b)

They must have enough energy

c)

They must be elements

d)

They must be compounds

77.

If we increase the temperature, what happens to the rate of reaction?

a)

Nothing

b)

Decreases

c)

Increases

78.

Particles that are at a higher temperature move (a)   then particles with a low temperature

79.

Why does increasing concentration increase rate of reaction?

a)

Less particles moving around so more collisions

b)

More particles moving around so more collisions

c)

More particles moving around so less collisions

d)

Less particles moving around so less collisions

80.

A higher surface area means....

a)

nothing

b)

higher rate of reaction

c)

lower rate of reaction

81.

Which has the biggest surface area?

a)

Small particles

b)

Large particles

c)

elements

d)

compounds

82.

What is the name of a special substance which can be added to a reaction to increase the rate of reaction?

(a)  

83.

What happens to a catalyst during a reaction

a)

It is used up and needs to be replaced every reaction

b)

It is used up

c)

It isnt used up but cant be used again

d)

It isn't used up and can be used again

84.

True or false: There is only one type of catalyst which can be used for every reaction

a)

True

b)

False

85.

How can we measure the rate of reaction?

a)

Time the bubbles

b)

Measure how quickly reactants are used up

c)

Measure rate at which products are made

d)

Just look and see what is happening

86.

Why is it important to control the rate of reaction in the body?

a)

Otherwise you will die

b)

So your cells can get exactly what they need

87.

A temperature increase causes the particles to ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

88.

Why does a higher concentration increase the rate of reaction?

a)

it increases the amount of reactants

b)

it lowers the activation energy

c)

it increases the energy of particle collisions

d)

it increases the frequency of particle collisions

89.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
90.

A temperature increase causes the particles ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

91.

How does Mg react with water?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

92.

How does Mg react with steam?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

93.

How does Zn react with steam?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

94.

How does Fe react with water?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

95.

How does Fe react with steam?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

96.

How does Na react with water?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

97.

How does Pb react with water?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

98.

How does Cu react with water?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

99.

How does Cu react with steam?

a)

Reacts very slowly

b)

Reacts readily

c)

Reacts violently

d)

No visible reaction

100.

What are the TWO products when Fe react with steam?

a)

iron(III) oxide

b)

iron(III) hydroxide

c)

water

d)

hydrogen

101.

What are the TWO products when Mg react with water?

a)

magnesium hydroxide

b)

magnesium oxide

c)

water

d)

hydrogen

102.

When a metal react with steam, hydrogen and another product is formed. What is the other product?

(a)  

103.

When a metal react with water, hydrogen and another product is formed. What is the other product?

(a)  

104.

When a zinc react with steam, hydrogen and another product is formed. What is the other product?

(a)  

105.

When a iron react with steam, hydrogen and another product is formed. What is the other product?

(a)  

106.

When a calcium react with water, hydrogen and another product is formed. What is the other product?

(a)  

107.

When a calcium react with steam, hydrogen and another product is formed. What is the other product?

(a)  

108.

When a potassium react with water, hydrogen and another product is formed. What is the other product?

(a)  

109.

when a metal reacts with oxygen in the air the surface will appear....

a)

shiny

b)

dull

110.

metals react with oxygen in the air to form (a)  

111.

Metals in group 1 of periodic table is more reactive than other metals

a)

True

b)

False

112.

Tick all the metals that should be stored under oil to prevent explosion from reacting with oxygen.

a)

Aluminium

b)

Calcium

c)

Potassium

d)

Lithium

113.

Complete the word equation:

magnesium + oxygen --> (a)  

114.

Complete the word equation:

________ + __________ --> aluminium oxide

4 lines
115.

Put the following five metals in order of reactivity judging from their reactions with oxygen, with the most reactive first:

Iron

Copper

Gold

Magnesium

Lithium

4 lines
116.

Select the products of this displacement reaction:

iron + copper sulphate -> iron sulphate + copper

a)

iron + copper sulphate

b)

iron sulphate + copper

c)

iron + iron sulphate

d)

copper + copper sulphate

117.

Select the reactants of this displacement reaction:

iron + copper sulphate -> iron sulphate + copper

a)

iron + copper sulphate

b)

iron sulphate + copper

c)

iron + iron sulphate

d)

copper + copper sulphate

118.

In a displacement reaction...

a)

... a more reactive element pushes out a less reactive element from its compound.

b)

... a less reactive element pushes out a more reactive element from its compound.

c)

... a more reactive compound pushes out a less reactive compund from its element.

d)

... a less reactive element pushes out a more reactive element from its compound.

119.

Shinno and Alfie are doing an experiment. They add magnesium to copper sulphate. Select the most likely result.

a)

Copper + magnesium sulfate is produced.

b)

Copper sulfate + copper is produced.

c)

Magnesium sulfate + copper is produced.

d)

Magnesium + copper sulfate is produced.

120.

Select the correct explanation for why magnesium displaces copper from copper sulphate.

a)

Magnesium is less reactive than copper.

b)

Magnesium is more reactive than copper.

c)

Magnesium is as reactive as copper.

d)

There has been bad blood between magnesium and copper for centuries.

121.

Momo and Yuki are doing a different experiment. They add copper to magnesium suplhate. Select the most likely outcome.

a)

Copper, magnesium and sulfur are produced.

b)

Copper and magnesium are produced.

c)

Copper sulphate and magnesium are produced.

d)

The copper and magnesium sulphate remain unchanged.

122.

Select the best explanation for why there is no reaction between copper and magnesium sulphate.

a)

Copper is more reactive than magnesium so does not displace it.

b)

Copper is less reactive than magnesium so does not displace it.

c)

Copper is less reactive than magnesium so displaces it.

d)

Copper is more reactive than magnesium so displaces it.

123.

Aluminium + iron oxide -> ?

a)

aluminium + aluminium oxide

b)

iron oxide + iron

c)

aluminium oxide + iron

d)

aluminoum + iron oxide

124.

Removing metals from compounds containing oxide requires mixing the powders and heating them strongly. This is called a ...

a)

thermite reaction.

b)

endothermic reaction.

c)

decomposition reaction.

d)

physical change.

125.

Select a disadvantage of displacement through thermite reactions.

a)

It looks nice!

b)

Metals you want can be obtained.

c)

No energy is required.

d)

A lot of energy is required.

126.

Iron + copper oxide =

a)

Iron + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

127.

Which of the following is more reactive?

a)

Calcium

b)

Magnesium

c)

Zinc

d)

Magnesium

128.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
129.

Will the following reaction take place?


Ni + NaCl ->

a)

NO

b)

YES

130.

Which one of the following combinations result in a displacement reaction?

a)

Iron with magnesium chloride

b)

magnesium with iron chloride

c)

Iron with Zinc Sulphate

d)

gold with silver nitrate

131.
A displacement reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted 
d)
Displacement reactions will only occur in metals above iron in the reactivity series
132.

What will the products of this reaction be?

calcium + zinc nitrate --------->

a)

Calcium + zinc nitrate

b)

Zinc + calcium nitrate

c)

there will be no reaction

d)

Zinc + calcium chloride

133.

True or false? Chemical reactions are easily reversible

a)

True

b)

False

134.

True or false: A change in state is a chemical reaction

a)

True - something melting would be an example of a chemical reaction

b)

False - a change in state is a physical change

135.

In a word equation, the starting chemicals are called...

a)

reactants

b)

products

c)

ingredients

136.

Sometimes, compounds can be broken down into simpler substances. What type of reaction is this?

a)

combustion

b)

oxidation

c)

decomposition

d)

displacement

137.

When energy is transferred from the substances to the surroundings during a chemical reaction, what type of reaction is this?

a)

endothermic

b)

exothermic

c)

decomposition

d)

combustion

138.

Which is NOT an example of something you could observe that would suggest a chemical reaction is taking place?

a)

melting

b)

fizzing

c)

smells

d)

temperature change

139.

Metal A is more reactive than Metal B. The following displacement reaction takes place.


Metal A + Metal B in compound ---> Metal B + Metal A in compound.


True or False.

a)

True

b)

False

140.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
141.
What is an ore?
a)
a solid metal
b)
a rock cantaining a metal combined with other elements
c)
an element
d)
an object used to row a boat
142.

Which of these elements is unlikely to be found in the ground in its pure form?

a)

gold

b)

platinum

c)

aluminium

d)

silver

143.
What is the removal of oxygen from a substance called?
a)
reduction
b)
extraction
c)
electrolysis
d)
oxidation
144.
What is the addition of oxygen to a substance called?
a)
decomposition
b)
reduction
c)
oxidation
d)
extraction
145.
Which element cannot be extracted from its ore by reduction with carbon?
a)
iron
b)
aluminium
c)
copper
d)
lead
146.

What gas is always produced when a metal reacts with water?

a)

Oxygen

b)

Carbon Dioxide

c)

Hydrogen

d)

Carbon Monoxide

147.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

d)

Magnesium sodium chloride

148.

Which of the following does not react with water?

a)

Lithium

b)

Magnesium

c)

Lead

d)

Calcium

149.

Which one of the following metals reacts most vigorously with cold water?

a)

Sodium

b)

Magnesium

c)

Copper

d)

Zinc

150.

What element rusts?

a)

Carbon

b)

Iron

c)

Manganese

d)

Potassium

151.

What two things cause Iron to rust ?

a)

Water and Oxygen

b)

Air and HCl

c)

Carbon Monoxide and Air

d)

Water and Carbon Dioxide

152.

What prevents rusting?

a)

Painting

b)

Washing

c)

Dusting

d)

Sanding

153.

Which of the followings is NOT a protection method of rusting?

a)

Galvanizing

b)

Painting

c)

Covering in plastic

d)

Heating with carbon

154.
A displacement reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted 
d)
Displacement reactions will only occur in metals above iron in the reactivity series
155.
Which one of the following Would the following result in a displacement reaction?
a)
Iron with magnesium chloride
b)
magnesium with iron chloride
c)
Iron with Zinc Sulphate
d)
gold with silver nitrate
156.
calcium + zinc nitrate goes to
a)
Calcium + zinc nitrate 
b)
Zinc + calcium nitrate
c)
there will be no reaction
d)
Zinc + calcium chloride
157.
The family in the periodic table that contains the most reactive metals is the_______
a)
Alkaline Earth Metals
b)
Transition Metals 
c)
Alkali Metals
d)
Other Metals
158.
Does Iron displace Aluminium?
a)
Yes
b)
No
159.
A displacement reaction is a chemical reaction in which a _____ element displaces another element
a)
Less
b)
The same
c)
Moore
d)
More
160.
Iron nails + copper oxide =
a)
Iron nails + copper oxide
b)
Iron oxide + copper oxide
c)
Iron oxide + copper
d)
Magic
161.
2Fe + 3H2O → Fe2O3 + 3H2
a)
Balanced
b)
Not Balanced
162.
Which of the following is NOT an example of a chemical reaction?
a)
Wood Burning
b)
A cake baking in an oven
c)
Melting Ice Cream
d)
Mixing Vinegar and Baking Soda
163.
The force that holds 2 atoms together is called a ________________.
a)
Chemical Reaction
b)
Chemical Bond
c)
Diatomic Chemical
d)
Glue
164.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
165.
a substance formed when two or more elements are chemically bonded together
a)
Element Soup
b)
Pure Element
c)
Ion
d)
Compound
166.
Which of the following will not undergo reaction?
a)
zinc metal  +  zinc oxide 
b)
iron metal  +  copper oxide
c)
zinc metal +  iron oxide
d)
magnesium  +  iron oxide
167.
What environmental element assists rusting?
a)
nitrogen
b)
carbon
c)
oxygen
d)
hydrogen
168.
Metals that react quickly/strongly with water and acids are called?
a)
Reactive
b)
Unreactive
c)
Dangerous
d)
Corrosive
169.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

170.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

171.

Oxidation is the _________ of electrons.

a)

loss

b)

gain

c)

sharing

d)

transfer

172.

Reduction is the ___________ of electrons.

a)

loss

b)

gain

c)

sharing

d)

transfer

173.

The forward reactions in the Electrochemical Series are examples of...

a)

Oxidation

b)

Reduction

174.

Gaining hydrogen is an example of...

a)

oxidation

b)

reduction

175.

Gaining oxygen is an example of...

a)

oxidation

b)

reduction

176.

Which of the following represents oxidation?

a)

C → CH4

b)

Fe3+ → Fe2+

c)

Cl2 → 2Cl-

d)

Zn → ZnO

177.
Which of the following represents reduction?
a)
C →  CO
b)
N2 →  NH3
c)
Zn  →   Zn2+ 
d)
H2 →  H2O
178.
Which statement is true:
Mg → Mg2+ + 2e–
a)
Mg gains 2 electrons
b)
Mg2+ loses 2 electrons
c)
Mg loses 1 electron
d)
Mg loses 2 electrons
179.

Which element is oxidised in the reaction Zn + 2HCl  →\rightarrow   ZnCl2 + H2  \

a)

Zinc

b)

Hydrogen

c)

Chlorine

d)

None

180.

A redox equation has...

a)

electrons on the left side

b)

electrons on the right side

c)

electrons on both sides

d)

no electrons on either side

181.

In a redox reaction, spectator ions...

a)

become oxidised

b)

become reduced

c)

remain unchanged

182.
What element is being Oxidized?
a)
N
b)
H
c)
O
d)
S
183.
What element is being Reduced?
a)
N
b)
H
c)
O
d)
S
184.
What element is being Oxidized?
a)
I
b)
H
c)
S
d)
O
185.
What element is being reduced?
a)
I
b)
H
H
c)
S
S
d)
O
O

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