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scientific method,matter, mixtures, solutions, reactions of meta

Total questions: 155

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

Matter is ____________

a)

Anything that has mass and takes up space.

b)

The property of attraction to a magnet.

How dense something is compared with a reference material. Sink or Float

c)

Measurement of the ability of a solid to dissolve in a liquid.

d)

Energy that can be measured by a thermometer.

2.

Matter is ____________

a)

Anything that has mass and takes up space.

b)

The property of attraction to a magnet.

How dense something is compared with a reference material. Sink or Float

c)

Measurement of the ability of a solid to dissolve in a liquid.

d)

Energy that can be measured by a thermometer.

3.

Magnetism is ___________

a)

The amount of matter in something; measured in grams.

b)

Material through which heat or electricity does not easily flow.

c)

How much space something takes up.

d)

The property of attraction to a magnet.

4.

Solubility is __________

a)

How dense something is compared with a reference material. Sink or Float

b)

Anything that has mass and takes up space.

c)

How much space something takes up.

d)

Measurement of the ability of a solid to dissolve in a liquid.

5.

Thermal Energy

a)

The property of attraction to a magnet.

b)

Energy that can be measured by a thermometer.

c)

Measurable characteristics that describe the physical state of something, including mass, magnetism, temperature, density, shape, volume, and conductivity.

d)

How much space something takes up.

6.

Conductor

a)

The amount of matter in something; measured in grams.

b)

Material that allows heat or electrical energy to easily flow through it.

c)

How much space something takes up.

d)

Material through which heat or electricity does not easily flow.

7.

Insulator

a)

The amount of matter in something; measured in grams.

b)

Material that allows heat or electrical energy to easily flow through it.

c)

How much space something takes up.

d)

Material through which heat or electricity does not easily flow.

8.

Volume is __________

a)

How dense something is compared with a reference material. Sink or Float

b)

Anything that has mass and takes up space.

c)

How much space something takes up.

d)

Measurement of the ability of a solid to dissolve in a liquid.

9.

Whether something sinks or floats in water

a)

relative density

b)

solubility

c)

conductivity

d)

state of matter

10.

A physical property that describes matter as a solid, liquid, or gas

a)

relative density

b)

solubility

c)

state of matter

d)

conductivity

11.

A material that is less dense will -

a)

float

b)

sink

12.

A material that is more dense will -

a)

float

b)

sink

13.

Soluble means a material -

a)

Can NOT dissolve

b)

CAN dissolve

14.

Energy made available by the flow of electric charge through a conductor

a)

Heat Energy

b)

Motion

c)

Speed

d)

Electrical Energy

15.

physical combination of substances that can still be separated easily

a)

mixture

b)

solution

c)

solute

d)

solvent

16.

a special type of mixture that forms when one substance dissolves in another

a)

soluble

b)

solution

c)

insoluble

d)

dilute

17.

to form a solution by mixing evenly

a)

filtration

b)

soluble

c)

dissolve

d)

insoluble

18.

Substances that are made up of ONLY one type of atom (element) or compound.

a)

Heterogeneous mixture

b)

Pure substance

c)

Suspension

d)

Homogeneous mixture

19.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Hydrogen

20.
What is matter?
a)
Anything that has mass and occupies space
b)
Anything that has mass
c)
Anything that is made of air
d)
ALL of them 
21.
Which of the following is a pure substance? 
a)
Water
b)
Sugar
c)

Gold

d)
ALL of them
22.

Which of the following is NOT a mixture?

a)

milk

b)

lemonade

c)

vegetable salad

d)

carbon

23.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

24.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

25.

True or False: Elements and compounds are pure substances.

a)

True

b)

False

26.

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

a)
b)
c)
d)
27.

Solutions are ___________ mixtures.

a)

Solid

b)

Homogenous

c)

Heterogeneous

d)

Gas

28.
Max is hungry and he prepares cereal with milk. This is an example of a: 
a)
Homogeneous mixture
b)
Heterogeneous mixture
29.
What are the two types of Mixtures
a)
Elements and Subatomic Particles
b)
Protons and Electrons
c)
Atoms and Compounds
d)
Homogenous and Heterogeneous
30.
Two substances physically combined and that appears the same throughout is classified as
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
  A compound
31.

What type of mixture does this diagram represent?

a)

Homogeneous

b)

Heterogeneous

32.

This separation method is called...

a)

Magnetism

b)

Filtration

c)

Distillation

d)

Evaporation

33.

Which method can you use to separate sand and iron filings?

a)

Distillation

b)

Magnetism

c)

Filtration

d)

Evaporation

34.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
35.

A mixture that contains two or more substances uniformly combined

a)

heterogeneous mixture

b)

homogeneous mixture

c)

suspension

d)

colloid

36.

Matter is classified in...

a)

Elements & Compounds

b)

Homogeneous & Heterogeneous

c)

Colloids & Suspensions

d)

Pure substances & Mixtures

37.
a)
heterogeneous mixture
b)
homogeneous mixture
38.

____________ is the amount of matter in an object.

a)

Mass

b)

Volume

c)

Weight

d)

Density

39.

The amount of space that matter occupies:

a)

Mass

b)

Volume

c)

Weight

d)

Density

40.

____________ is a measure of the force of gravity on an object.

a)

Mass

b)

Volume

c)

Weight

d)

Density

41.
Which of the following is a unit of mass?
a)
kilogram
b)
liter
c)
meter
d)
pound
42.

A prism has a length of 5 cm, a width of 1 cm, and a height of 2 cm. What is the volume of the prism?

a)

10 cm2

b)

10 cm

c)

10 cm3

d)

8 cm

43.
What is used to measure mass of an object in grams?
a)
Triple beam balance
b)
Test tube rack
c)
Meter stick
d)
Graduated Cylinder
44.

What is the measurement in the picture?

a)

290.02 g

b)

291 g

c)

292 g

d)

290.2 g

45.

Which of these contains steps in the right order?

a)

Ask a question, research, state your hypothesis, experiment, analyze, draw a conclusion

b)

State your hypothesis, ask a question, research, experiment, analyze, draw a conclusion

c)

State your hypothesis, ask a question, research, draw a conclusion, experiment, analyze

d)

Ask a question, state your hypothesis, research, experiment, analyze and draw a conclusion, share the results

46.

What is a constant/control in an experiment?

a)

Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

b)

It's the variables that the scientist changes in the experiment

c)

It's the variables that are being measured in an experiment

47.

A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. What is the independent variable in this experiment?

a)

the amount of carbon dioxide in each container

b)

the number of plants in each container

c)

the amount of water provided to the plants

d)

the height of each plant after a period of time

48.

Scientists frequently repeat the experiments of others scientists. Why is this important in science?

a)

Scientists often ask each other for help in performing experiments.

b)

Replication of experiments helps to confirm and verify results.

c)

Scientists frequently perform other scientists’ experiments in order to practice their technique.

d)

Repeating experiments is an effective way to make sure a laboratory is in optimal condition.

49.

Cara read an article on why repetition and replication are so important, but she did not understand the difference between them. Which of the following best explains the two terms?

a)

Repetition is when a scientist repeats an experiment; replication is when a scientist conducts an experiment on genetic material.

b)

Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.

c)

Repetition is when a scientist publishes in more than one scientific periodical; replication is when another scientist reproduces another scientist’s results.

d)

Repetition is when a scientist commits an error in an experiment the first time and must repeat it; replication is when a scientist repeats an experiment to make sure it is valid.

50.

What is the BEST reason you always repeat an experiment?

a)

Make sure your data is consistent and accurate

b)

Make sure your data supports your prediction

c)

Make sure your experiment is easy to do

d)

Make sure your experiment has lots of data

51.

Which unit is NOT used in the metric system?

a)

Meter

b)

Gram

c)

Liter

d)

Pound

52.

The SI unit for measuring length is the __________.

a)

meter

b)

gram

c)

liter

d)

Newton

e)

second

53.

The SI unit for mass is the ___________.

a)

meter

b)

gram

c)

liter

d)

second

e)

Newton

54.

The SI unit for volume is the __________.

a)

meter

b)

gram

c)

liter

d)

second

e)

Newton

55.

The metric system is based on the number

a)

1

b)

2

c)

10

d)

100

56.

The top of a column of liquid is called a

a)

mathematics

b)

matter

c)

meniscus

d)

maribella

57.

What is the volume of liquid?

a)

4 mL

b)

5 mL

c)

24 mL

d)

25 mL

58.

The mixture shown here -

a)

Maintains its physical properties when combined

b)

Dissolves after being stirred together

c)

Will evaporate after a certain period of time

d)

Cannot be separated into ingredients

59.

Which of the following is NOT happening in the photo

a)

The temperature is rising

b)

Heat is being added

c)

Thermal energy is taken away

d)

A solid is turning into a liquid

60.

The bobber is able to float in the water because -

a)

It has a greater density than the water

b)

It is too heavy to sink to the bottom

c)

It mass will not allow it to sink

d)

Its density is less than water

61.

Which of the following is true about solutions?

a)

The particles of the solute become very small

b)

Evaporation can be used to separate solutions

c)

The substance spreads out evenly

d)

All of these options are true

62.

The oven mitt shown here is being used because

a)

The mitts conduct thermal energy

b)

The pan conducts heat energy

c)

The pan is an insulator

d)

The mitts make the cook look cool

63.

When condensation occurs

a)

Heat energy is being reduced

b)

Thermal energy is added

c)

The temperature is increasing

d)

A solid is turning to liquid

64.

Which term best describes a liquid turning in a gas

a)

Melting

b)

Condensation

c)

Evaporation

d)

Freezing

65.

In order for the wax on the sculpture to melt, what must happen?

a)

The temperature must fall

b)

Energy should be removed

c)

The temperature must stay the same

d)

Heat must be added

66.

Pick two items that you know to be non magnetic

a)

Copper penny

b)

Iron Nail

c)

Paperclip

d)

Aluminum foil

67.

Which of these terms best describe a substances ability to be dissolved?

a)

Density

b)

Solubility

c)

Insolubility

d)

Conductivity

68.

A solution is made using 100 ml of water, and 20 g of salt. What is the best way to separate this solution

a)

Pour the mixture through a strainer

b)

Add 100 ml more of water

c)

Use a coffee filter

d)

Evaporate the water on a hot plate

69.

True or False? A solution can be made by combining vegetable oil and water.

a)

True

b)

False

70.

Which ingredient of the soda has the fastest moving particles?

a)

Ice cubes

b)

Liquid water

c)

Carbon dioxide bubbles

d)

Corn syrup

71.

During condensation -

a)

Solid water is turning to liquid

b)

Water vapor in the air is turning into liquid

c)

Liquid water is becoming a solid

d)

Liquid water is becoming a gas

72.

Students pour 4 different substances into 4 different containers and stir them to see what will happen? Which of the following will be the least likely to dissolve?

a)

Sand

b)

Salt

c)

Food coloring

d)

Sugar

73.

The most ideal way to separate this mixture of sand and water is to -

a)

use a hot plate

b)

pour the mix through a strainer

c)

shake the mixture rapidly

d)

pour the mix through a coffee filter

74.

Which material would not remain very hot after being removed from a pot of boiling water?

a)

Wooden spoon

b)

Silver dollar

c)

Copper tubing

d)

Steel Nail

75.

5 grams of salt is dissolved in 50 milliliters of water. Shortly after, the water is evaporated on a hot plate. How many grams of salt will be left in the container?

a)

0 grams

b)

2.5 grams

c)

5 grams

d)

10 grams

76.

An item has been identified as being a good conductor, magnetic, and not soluble in water. It is also more dense than water. What could it be?

a)

Aluminum can

b)

Iron nail

c)

Copper penny

d)

Rubber eraser

77.

Which of the following would cause the powder to dissolve more quickly?

a)

Let the powder sit in the bottom undisturbed

b)

Reduce the temperature of the water

c)

Stir the powder in the water rapidly

d)

Increase the size of the particles in the mix

78.

The hypothesis can be accepted because the electromagnet with the longer copper wire had greater strength.

a)

problem

b)

hypothesis

c)

conclusion

d)

results

79.

The electromagnet with 60cm of wire picked up six more papaer clips on average as compared to using 30 cm of wire.

a)

problem

b)

conclusion

c)

results

d)

materials

80.

Fill two identical containers with the same amount of room temperature water.

a)

problem

b)

procedure

c)

results

d)

conclusion

81.

one D-cell battery and one battery holder

a)

procedure

b)

results

c)

problem

d)

material

82.

If a longer copper wire is used, then the electromagnet will have greater strength.

a)

question/problem

b)

conclusion

c)

procedure

d)

hypothesis

83.

Does the length of a copper wire affect the strength of an electromagnet?

a)

problem

b)

hypothesis

c)

conclusion

d)

materials

84.

Attach one end of the wire to the negative pole of the battery.

a)

problem

b)

results

c)

conclusion

d)

procedure

85.

Does a bean seed grow more quickly indoors or outside?

a)

problem/question

b)

research

c)

hypothesis

d)

experiment

86.

four bean plants

four identical pots

soil

water

Plant four bean plants in identical pots using the same type of soil. Place two of these in an outdoor location, and place the other two in an indoor location. Try to choose locations where the plants will get a similar amount of sunlight. Care for the plants in an identical way, like giving the same amount of water. Then, each day for the three-week experimental period, observe and measure plant growth. Carefully record the size of each plant in a notebook.

a)

problem

b)

research

c)

hypothesis

d)

experiment

87.

four bean plants

four identical pots

soil

water

a)

hypothesis

b)

research

c)

materials

d)

procedure

88.

Plant four bean plants in identical pots using the same type of soil.

Place two of these in an outdoor location, and place the other two in an indoor location.

Try to choose locations where the plants will get a similar amount of sunlight. Care for the plants in an identical way, like giving the same amount of water. Then, each day for the three-week experimental period, observe and measure plant growth.

Carefully record the size of each plant in a notebook.

a)

problem

b)

conclusion

c)

material

d)

procedure

89.

If there is a relation between listening to music and heart rate, then listening to music will cause a person's resting heart rate to either increase or decrease.

a)

problem

b)

research

c)

hypothesis

d)

experiment

90.

The starting materials of any chemical reactions are called.

a)

products

b)

ingredients

c)

reactants

d)

by products

91.

The chemical name of burning is .....

a)

Displacement

b)

Reduction

c)

Neutralisation

d)

Combustion

92.

Identify a product in this reaction

a)

light energy

b)

water

c)

carbon dioxide

d)

glucose

93.

When metal reacts with oxygen, they form

a)

metal chloride

b)

metal oxide

c)

metal oxygenide

d)

metal hydroxide

94.

What two substance will react together to form sodium oxide

a)

sodium and chlorine

b)

sodium and water

c)

sodium and hydrochloric acid

d)

sodium and oxygen

95.

What is the sign of a chemical reaction when any metal reacts with acid?

a)

precipitate forms

b)

color change

c)

increase in acidity level

d)

fizzing / bubbles of gas

96.

What gas is produced when an acid is poured onto a metal?

a)

chlorine gas

b)

hydrogen gas

c)

ammonia gas

d)

carbondixoide gas

97.

Pick the odd one out

a)

malleable

b)

dull

c)

conductor of electricity

d)

high melting point

98.

Which of the following is NOT a property of non-metals?

a)

brittle

b)

bad condutor of heat

c)

have luster

d)

low melting and boiling points

99.

Which of the following is NOT a salt?

a)

sodium chloride

b)

calcium nitrate

c)

magnesium sulfate

d)

potasium hydroxide

100.

What is the name of salt produced when magnesium reacts with nitric acid?

a)

magnessium nitroxide

b)

Magnesium nitrate

c)

Magnesium nitride

d)

Magnesium sulfate

101.

What two substances will react together to form potassium sulfate?

a)

potassium and sulfur

b)

potassium and water

c)

potassium and hydrochloric acid

d)

potassium and sulfuric acid.

102.

What is used to test the presence of hydrogen gas?

a)

hot iron rod

b)

hot glass rod

c)

lighted splint

d)

paper clip

103.

When metals react with water, what are the products?

a)

metal chlroide + carbon dioxide

b)

metal hydroxide + hydrogen gas

c)

hydrogen gas + metal sulfate

d)

carbondioxide gas + water+ metal chloride

104.

What is the chemical test to confirm the presence of hydrogen gas?

a)

turns lime water milky

b)

relight the glowing splint

c)

turns damp red litmus paper blue

d)

squeaky pop sound on lighted splint.

105.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
106.
How can you test to show that when a metal reacts with water, hydrogen gas is produced?
a)
Relights a glowing splint
b)
A lit splint produces a squeaky pop
c)
Puts out a burning splint
d)
Is cold to the touch
107.

Complete the general equation:

Metal + Acid ->

a)

Salt + Water

b)

Salt + Hydrogen

c)

Salt

108.

Complete the general equation:

Metal + Water ->

a)

Salt + Water

b)

Metal Hydroxide + Hydrogen

c)

Metal hydroxide + Water

d)

Salt + Hydrogen

109.

Complete the equation:

Sodium + Hydrochloric Acid ->

a)

Sodium Hydroxide + Hydrogen

b)

Sodium Chloride + Hydrogen

c)

Chloric Sodium + Hydrogen

d)

Sodium Chloride + Water

110.

Complete the equation:

Potassium + Nitric Acid ->

a)

Potassium Hydroxide + Hydrogen

b)

Potassium Chloride + Hydrogen

c)

Potassium Nitrate + Hydrogen

d)

Nitric Potassium + Hydrogen

111.
What gas is produced when sodium reacts with water?
a)
Hydrogen
b)
Carbon dioxide
c)
Carbon monoxide
d)
Water vapour
112.

Complete the equation:

Potassium + Water ->

a)

Potassium Hydroxide + Hydrogen

b)

Potassium Chloride + Hydrogen

c)

Potassium Hydroxide + Water

d)

Nitric Potassium + Hydrogen

113.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
114.

Will a displacement reaction occur?

Copper Oxide + Magnesium ->

a)

Yes

b)

No

115.

Will a displacement reaction occur?

Magnesium Sulphate + Zinc ->

a)

Yes

b)

No

116.

Will a displacement reaction occur?

Iron Sulphate + Calcium ->

a)

Yes

b)

No

117.
Metals that react quickly/strongly with water and acids are called?
a)
Reactive
b)
Unreactive
c)
Dangerous
d)
Corrosive
118.
What are the reactants for the reaction of metal with water?
Metal + water ---> metal hydroxide + hydrogen
a)
Metal
b)
Water
c)
Metal and water
d)
Metal hydroxide and hydrogen
119.

What are the products for the reaction of metal with water?

Metal + water ---> metal hydroxide + hydrogen

a)

Metal

b)

Water

c)

Metal and water

d)

Metal hydroxide and hydrogen

120.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
121.
How can you test to show that when a metal reacts with water, hydrogen gas is produced?
a)
Relights a glowing splint
b)
A lit splint produces a squeaky pop
c)
Puts out a burning splint
d)
Is cold to the touch
122.
What metal hydroxide is produced when magnesium reacts with water?
a)
Copper hydroxide
b)
Magnesium oxide
c)
Magnesium
d)
Magnesium hydroxide
123.
What gas is produced when sodium reacts with water?
a)
Hydrogen
b)
Carbon dioxide
c)
Carbon monoxide
d)
Water vapour
124.
What gas is produced when a metal reacts with an acid?
a)
Water vapour
b)
Acidic gas
c)
Hydrogen
d)
Nitrogen
125.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
126.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
127.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 
a)
Magnesium chloride + water 
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas 
d)
Magnesium chloride + water + carbon dioxide 
128.
The alkali metals are in group 1, on the far left of the periodic table. Which of these is NOT an alkali metal?
a)
Lithium
b)
Iron
c)
Potassium
d)
Francium
129.
What else is produced when a metal reacts with water? (HINT: Water has the formula H2O)
a)
Metal Oxide
b)
Metal Carbonate
c)
Metal Hydride
d)
Metal Hydroxide
130.
When sodium reacts with hydrochloric acid, what is the name of the salt formed?
a)
Sodium Hydride
b)
Sodium Chloride
c)
Sodium Hydrochloric
d)
Sodium Chlorine
131.
When potassium reacts with sulphuric acid, what is the name of the salt produced?
a)
Potassium Sulphide
b)
Potassium Sulphur
c)
Potassium Sulphuric
d)
Potassium Sulphate
132.
When magnesium reacts with copper sulphate, there are two products. What are they?
a)
Magnesium  and Copper
b)
Magnesium Sulphate and Copper
c)
Magnesium Sulphate and Copper Sulphate
d)
Magnesium and Copper Sulphate
133.
When copper and magnesium sulphate are mixed together, there is no reaction. Why?
a)
Magnesium is more reactive than copper
b)
Copper is more reactive than magnesium
c)
Copper never reacts with metal salts
d)
Magnesium Sulphate never reacts with metals
134.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

135.

Zinc sulphate + Magnesium → ?

a)

Magnesium + Sulphur + Hydrogen

b)

Zinc sulphate + Magnesium

c)

Magnesium sulphate + Zinc

136.

Lithium chloride + Iron → ?

a)

Lithium chloride + Iron (No change)

b)

Iron chloride + Lithium

c)

Lithium oxide + hydrogen

137.

A displacement reaction will occur when...

a)

a more reactive metal displaces a less reactive metal from its aqueous salt solution.

b)

A less reactive metal displaces a more reactive metal from its aqueous salt solution.

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

138.
Which metal is more reactive than calcium?
a)
magnesium
b)
potassium
c)
silver
d)
aluminum
139.

What is the name of the compound CaS?

a)

Carbon Sulfur

b)

Carbon Sulfide

c)

Calcium Sulfide

d)

Calcium Sulfate

140.

Which of the following is not an element?

a)

Hydrogen

b)

Oxygen

c)

Water

d)

Potassium

141.

What salt forms when magnesium reacts with sulfuric acid?

a)

Magnesium sulfuric

b)

Magnesium sulfate

c)

Sulfur magnide

d)

Sulfruic Magnesium

142.

What gas do you use the "pop" test to find?

a)

Oxygen

b)

Helium

c)

Hydrogen

d)

Nitrogen

143.

Bubbling a gas through limewater is a method of testing for which gas?

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Nitrogen

144.

Which of the following is not a sign that a chemical change is taking place?

a)

Iron melts

b)

Light is produced

c)

Heat is produced

d)

Change in colour

145.

What type of chemical reaction is burning wood?

a)

Oxidation

b)

Neutralization

c)

Heating

d)

Combustion

146.

Metals and acids react to form .....

a)

Salt and hydrogen

b)

Salt and water

c)

Carbon dioxide, salt and water

d)

Hydrogen only

147.

Magnesium + hydrochloric acid-->

a)

Magnesium chloride + water

b)

Magnesium chloride + hydrogen

c)

Magnesium hydrochloride + hydrogen

d)

Magnesium chloride + water + carbon dioxide

148.

Zinc + sulfuric acid -->

a)

Zinc sulfide + hydrogen

b)

Zinc sulfate + hydrogen

c)

Zinc sulfate + Water +Carbon dioxide

d)

Zinc sulfide + water

149.

Iron + hydrochloric acid -->

a)

Iron chloride + hydrogen

b)

Iron chloride + carbondioxide

c)

Iron hydroxide + acid

d)

Iron chloric + hydrogen

150.

What are the reactants for the reaction of magnesium with oxygen

Magnesium + oxygen --> Magnesium oxide

a)

Magnesium

b)

Oxygen

c)

Magnesium oxide

d)

Magnesium and oxygen

151.

Metal carbonates react with acid to form....

a)

Salt, carboxylic acid and water

b)

Salt, carbon dioxide and water

c)

Salt and carbonated water

d)

Salt and hydrogen

152.

Calcium carbonate + hydrochloric acid -->

a)

Calcium chloride + hydrogen

b)

Calcium choride + water

c)

Calcium chloride + carbon dioxide + water

d)

Calcium sulfate + carbon dioxide + water

153.

Copper carbonate + hydrochloric acid -->

a)

Copper chloride + hydrogen

b)

Copper chloride + water

c)

Copper chloride + water + hydrogen

d)

Copper chloride + water + carbondioxide

154.

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

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Nitrogen

155.

What gas is always produced when carbonates reacts with acids?

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Nitrogen

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