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Y9 CHEMISTRY REVISION

Total questions: 150

Worksheet time: 2hrs 54mins

Name
Class
Date
1.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

2.

Covalent bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

It depends on the situation

3.
Chemical bonds form when atoms
a)
combined nuclei
b)
give up neutrons
c)
gain protons
d)
share or transfer electrons
4.
Bonds that form between two metals are called ______________ bonds.
a)
ionic 
b)
covalent
c)
metallic
d)
pervasive
5.
A bond that forms when electrons are transferred is called a/an
a)
ionic bond
b)
covalent bond
c)
hydrogen bond
6.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
7.

An atom that gains or loses an electron becomes

a)

an isotope

b)

a new element

c)

an ion

d)

a molecule

8.

Valence electrons are

a)

neutral (no charge)

b)

found in the outer most energy level of the atom

c)

equal to the number of protons

9.

How many different elements are in the C6H12O6

a)

3

b)

6

c)

12

d)

24

10.
What type of bond is formed when electrons are transferred (stolen, or given) from one atom to another?
a)
Ionic Bond
b)
Covalent Bond
c)
Metallic Bond
d)
Acidic Bond
11.
What type of bond forms when atoms share electrons?
a)
Ionic Bond
b)
Covalent Bond
c)
Metallic Bond
d)
Gold Bond Medicated Powder
12.
What does an atomic number tell you about an atom?
a)
Number of Protons in an atom or ion
b)
Number of Neutrons in an atom or ion
c)
Number of Nuclei in an atom or ion
d)
Number of fingers on a hand
13.

The chemical bond between a non-metal and another non-metal will be a ________ bond.

a)

metal

b)

ionic

c)

covalent

d)

polar

14.

The chemical bond between a metal and a non-metal will be a _____ bond.

a)

metal

b)

ionic

c)

covalent

d)

polar

15.

Beryllium and sulfur will form a ______ bond

a)

ionic

b)

covalent

c)

metalloid

16.

Sodium and Bromine will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

17.

Carbon and Oxygen will make a ___________ bond.

a)

ionic

b)

covalent

c)

metallic

18.

Nitrogen and Oxygen will make a ____________ bond

a)

ionic

b)

covalent

c)

metallic

19.

MgO

a)

ionic

b)

covalent

c)

metallic

20.

NaCl

a)

ionic

b)

covalent

c)

metallic

21.

If two fluorine atoms bond they will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

22.

Hydrogen and Chlorine will from a _________ bond

a)

ionic

b)

covalent

c)

metallic

23.

Which of these element pairs would bond covalently?

a)

Fr and K

b)

Sc and O

c)

F and Cl

d)

He and Pt

24.
Ionic compounds are formed when one or more valence electrons are transferred from _____
a)
a nonmetal atom to a metal atom
b)
a nonmetal atom to a nonmetal atom
c)
a metal atom to a nonmetal atom
d)
a metal atom to a metal atom
25.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
26.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
27.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
28.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
29.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
30.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
31.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
32.
A brick sinks in water while a wooden block of the same size floats.  This is because the brick has a
a)
lower volume than the wooden block
b)
lower density than the wooden block
c)
higher volume than the wooden block
d)
higher density than the wooden block
33.
If you poured 3 liquids that do not mix how could you tell which one is the most dense?
a)
The liquid on top
b)
The liquid in the middle
c)
The liquid at the bottom
34.

What is the formula for Volume?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

35.

What is the formula for Mass?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

36.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
37.
True or False:  The density of a specific type of material never changes.  
a)
True
b)
False
38.

What is mass?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

39.

What is volume?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

40.

What is density?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

41.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
42.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
43.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
44.

List four factors that affects the rate of a reaction

a)

temperature

b)

concentration

c)

surface area

d)

volume

e)

catalysts

45.

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

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

46.
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
47.
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
48.

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

49.

The ______________is required to break the bonds of the reactants.

a)

Carbonic energy

b)

Activation energy

c)

Plutonic energy

d)

Energi Gaib

50.
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
51.
Grinding a seltzer tablet into powder increases the rate of reaction due to increased
a)
concentration
b)
surface area
c)
temperature
d)
reactants
52.

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

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

53.
The rate of a chemical reaction is NOT affected by which of the following:
a)
temperature
b)
concentration
c)
particle size (surface area)
d)
All of these affect reaction rates
54.
Products will form faster if____________
a)
the particle size of the reactants are larger.
b)
temperature is decreased.
c)
concentration of the reactants are increased.
d)
the reaction is not stirred.
55.
A ______________ is a substance that increases the rate of a reaction without being used up during the reaction. 
a)
catalyst
b)
product
c)
reactant
d)
solute
56.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

57.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
58.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
59.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
60.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
61.
A charged atom
a)
Ion
b)
Isotope
c)
Electron Cloud
d)
Quark
62.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
63.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
64.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
65.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
66.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

67.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

68.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

69.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

70.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

71.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

72.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

73.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

74.
A molecule is made up of ____ or more atoms.
a)
1
b)
2
c)
3
d)
4
75.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
76.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
77.
What do we call a chemical substance made up of 2 or more different types atoms bonded together?
a)
formula
b)
atom
c)
subscript
d)
compound
78.
Elements are made of 
a)
many types of atoms 
b)
the periodic table
c)
one type of atom 
d)
molecules 
79.

Jay combines water, sugar, and lemon juice to form lemonade. What type of substance was made?

a)

Element

b)

Molecule

c)

Mixture

80.

Which of the following does not describe elements?

a)

All particles are alike

b)

Can be broken down into simpler substances

c)

Have unique sets of properties

d)

Join together to form compounds

81.

What is the chemical formula for water?

a)

NaCl

b)

CO2

c)

NH3

d)

H2O

82.

What is a mixture?

a)

an atom

b)

2 or more substances that are together in the same place, but their atoms are not chemically bonded

c)

a substance that cannot be broken down into any other substances by physical or chemical means

d)

A substance made of 2 or more elements that are chemically

combined in a set ratio

83.

The smallest unit of an element that has all the basic properties of the element is called what?

a)

compound

b)

mixture

c)

element

d)

atom

84.

How would you separate sand and water?

a)

boil

b)

filter

c)

magnetic

d)

put it in the fridge

85.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
86.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
87.

Atom are the ______ units of all matter.

a)

air

b)

solid

c)

main

d)

basic

88.

Atom cause matter to exist in three states which are gases, liduids and _____________ .

a)

main

b)

basic

c)

solid

d)

air

89.

The position of a metal in the reactivity series of metals depends on the reactivity of the metal when reacting with ....

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Sulphur

90.

Aluminium is more reactive than ....

a)

Calcium and Zinc

b)

Sodium and Gold

c)

Magnesium and Copper

d)

Lead and Iron

91.

Based on the following diagram, what is the function of potassium manganate (VII) crystals in this experiment?

a)

To supply oxygen

b)

To avoid the metals to mix with each other

c)

To release heat

d)

To give out water vapour

92.

Complete the word equation below.


Magnesium + oxygen --> .....

a)

Magnesium

b)

Magnesium oxide

c)

Oxides

d)

Magnesium oxide + water

93.

The diagram shows a setup apparatus for an experiment. What is the aim of the experiment?

a)

To determine the position of carbon in the reactivity series of metals

b)

To determine the position of hydrogen in the reactivity series of metals

c)

To observe the reactivity of metals with carbon dioxide

d)

To observe the reactivity of metals with water

94.

What is the observation when aluminium oxide react with carbon?

a)

The mixture burns vigorously

b)

The mixture glows dimly

c)

The combustion is extinguish

d)

No change

95.

When aluminium oxide react with carbon, there is no change that will occur. What is your inference for this observation?

a)

Carbon cannot remove the oxygen from the aluminium oxide

b)

Carbon is less reactive than aluminium

c)

Aluminium is more reactive than carbon

d)

All of the above

96.

Complete the word equation below.


Zinc oxide + carbon --> ..........

a)

Zinc + carbon

b)

Zinc oxide + carbon

c)

Zinc + carbon dioxide

d)

No change

97.

Based on the diagram, what is the function of anhydrous calcium chloride in the experiment?

a)

To absorb water vapour so that dry hydrogen will be produced

b)

To supply hydrogen gas

c)

To separate the metals

d)

To release heat for combustion

98.

Hydrogen is more reactive than the following metals except .....

a)

Lead

b)

Copper

c)

Aluminium

d)

Mercury

99.

What will happened when lead oxide react with hydrogen?

a)

Lead oxide burns brightly

b)

Yellow powder turns shiny grey

c)

Lead is produced

d)

All of the above

100.

Choose the correct sequence.


.............. , ............ , .........

----------------------------------->

Reactivity towards oxygen increases

a)

Silver , Copper , Tin

b)

Iron , Lead , Mercury

c)

Magnesium , Aluminium , Calcium

d)

Iron , Carbon , Lead

101.

The reactivity series of metals is applied in the ............. of the metals from their ore.

a)

Melting

b)

Extraction

c)

Freezing

d)

Crystalization

102.

Metal oxides that more reactive than carbon can be extracted through ......

a)

Electrolysis

b)

Fractional distillation

c)

Evaporation

d)

Photosynthesis

103.

What are the two non-metals that are include in the reactivity series of metals?

a)

Hydrogen and iron

b)

Oxygen and lead

c)

Tin and carbon

d)

Carbon and hydrogen

104.
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)

metals are reacted together

d)

metals above iron react with other metals in the reactivity series

105.

What will the products of this reaction be?

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

a)

zinc nitrate + calcium

b)

calcium nitrate + zinc

c)

there will be no reaction

d)

zinc + calcium chloride

106.
Which of the following will not undergo reaction?
a)

magnesium  + magnesium oxide 

b)

iron  +  copper(II) oxide

c)

magnesium +  iron(II) oxide

d)

calcium  +  iron(II) oxide

107.

What will NOT be observed in the reaction below?

zinc (s) + copper sulfate (aq) ==> copper (s) + zinc sulfate (aq)

a)

a change in the colour of the solution

b)

formation of a reddish brown solid

c)

metal decreasing in size

d)

effervescence (bubbles of gas)

108.

iron + copper(II) oxide -->

a)

iron + copper(II) oxide

b)

iron(II) oxide + copper(II) oxide

c)

iron(II) oxide + copper

d)

iron tetraoxide + copper(II) oxide

109.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

110.
What will be the result of :  Zn + AuCl2->
a)
ZnCl2 +Au
b)
ZnAu + Cl2
c)
no reaction
d)
ClAu + Zn
111.

Magnesium powder is added into copper nitrate solution to form a brown solid and a solution. Brown solid refers to ____

a)

copper

b)

magnesium

c)

magnesium nitrate

112.

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

113.

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

114.

What are the products when magnesium reacts with hydrochloric acid?

a)

magnesium nitrate and hydrogen gas

b)

magnesium sulfate and hydrogen gas

c)

magnesium oxide and oxygen gas

d)

magnesium chloride and hydrogen gas

115.
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
116.

Complete the following word equation:

Metal + Acid -->

a)

Salt + water

b)

Salt + hydrogen

c)

Salt + Water + Carbon dioxide

117.

Complete the following word equation:

Metalcarbonate + acid -->

a)

Salt + Hydrogen

b)

Salt + Water + Carbon Dioxide

c)

Salt + Water

118.

How do you remove the water to leave solid copper sulfate crystals?

a)

Filter

b)

Evaporate

c)

Distill

119.

What is the symbol for Copper?

a)

C

b)

co

c)

Cu

d)

CU

120.

What is the symbol for carbonate?

a)

CO

b)

CO2

c)

CO3

121.

What is the name of the practical technique to neutralise an alkali?

a)

Neutralisation

b)

Titration

c)

Using a burette

d)

Telestration

122.

What does the word insoluble mean?

a)

Does dissolve

b)

Doesn't dissolve

c)

Is part of a solid

123.

What colour does the solution turn when sulfuric acid is added to copper carbonate?

a)

Blue

b)

Green

c)

Clear

d)

Purple

124.
Salts that are made with hydrochloric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
125.
Salts that are made with sulfuric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
126.
Salts that are made with nitric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
127.
What salt is produced if you react sodium hydroxide with hydrochloric acid?
a)
sodium hydroxide
b)
sodium sulfate
c)
sodium nitrate
d)
sodium chloride
128.

How do you separate an excess insoluble reactant from a solution?

a)

Filtration

b)

Precipitation

c)

Crystalisation

d)

Evaporation

129.

Which two chemicals could you react to make only potassium chloride and water?

a)

Potassium and hydrochloric acid

b)

Potassium hydroxide and hydrochloric acid

c)

Potassium oxide and sulfuric acid

d)

Potassium and sulfuric acid

130.

_________________ + nitric acid --> calcium nitrate + water

a)

calcium sulfate

b)

calcium oxide

c)

calcium carbonate

d)

calcium

131.

Which is the correct definition for an element?

a)

A substance made up of only one type of atom that can be broken down

b)

Two or more substances that are not chemically combined

c)

Two or more different atoms that are chemically combined

d)

A substance made up of only one type of atom that cannot be broken down

132.

C is the correct chemical symbol for which element?

a)

calcium

b)

copper

c)

carbon

d)

caesium

133.

The smallest part of an element is called...

a)

a compound

b)

a mixture

c)

an element

d)

an atom

134.

Which is the correct definition for a compound?

a)

A substance made up of only one type of atom that can be broken down

b)

Two or more substances that are not chemically combined

c)

Two or more different atoms that are chemically combined

d)

A substance made up of only one type of atom that cannot be broken down

135.

What is the missing word? The properties of a compound are __________ the elements it is made up of.

a)

the same as

b)

different to

136.

Which is correct?

a)

iron and sulfur are both metals

b)

iron and sulfur are both non metals

c)

iron is a non metal and sulfur is a metal

d)

iron is a metal and sulfur is a non metal

137.

What is the correct name for CO?

a)

carbon dioxide

b)

carbon monoxide

c)

cobalt

d)

carbon oxide

138.

Which elements are present in H2SO4?

a)

hydrogen and oxygen

b)

hydrogen, oxygen and sodium

c)

hydrogen, oxygen and sulfur

d)

hydrogen, oxygen and silicon

139.

How many atoms of aluminium are there in the chemical formula for aluminium oxide: Al2O3

a)

2

b)

3

c)

5

d)

1

140.

Which element has the chemical symbol Ni?

a)

nitrogen

b)

nickel

c)

sodium

d)

neon

141.

What is the chemical symbol for copper?

a)

C

b)

Co

c)

Cp

d)

Cu

142.

What is the chemical symbol for gold?

a)

Ag

b)

Go

c)

Gu

d)

Au

143.

Is water an element or a compound?

a)

compound

b)

element

144.

How many different elements are there in Mg(OH)2

a)

2

b)

3

c)

4

d)

5

145.

True or false: Hydrogen atoms go around in pairs called molecules

a)

True

b)

False

146.

What is the name of the compound formed from sodium and chlorine?

a)

sodium chlorine

b)

schloride

c)

sodium chloride

d)

chloride sodium

147.

Water molecules exist as liquid at room temperature. How do molecules of hydrogen and oxygen exist at room temperature?

a)

solid

b)

liquid

c)

gas

148.

A property of sodium is that it fizzes when it reacts with water. What is a property of chlorine?

a)

It is an orange liquid at room temperature

b)

It is a green gas at room temperature

c)

It is a black solid at room temperature

d)

It is a colourless gas at room temperature

149.

What is the correct chemical symbol for iron?

a)

Ir

b)

I

c)

Fe

d)

Fr

150.

The forces that hold molecules of water together are stronger than the forces that hold molecules of oxygen together. This means that water has...

a)

a lower boiling point than oxygen

b)

a higher boiling point than oxygen

c)

the same boiling point as oxygen

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