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Chemical Reactions Quiz

Total questions: 27

Worksheet time: 29mins

Name
Class
Date
1.

What is the process by which energy, such as heat, is spread out or dispersed, often reducing the intensity of the energy?

a)

Oxidation Reaction

b)

Combustion

c)

Dissipate

d)

Endothermic Reaction

2.

Which type of reaction releases energy in the form of heat to its surroundings?

a)

Dissipate

b)

Endothermic Reaction

c)

Oxidation Reaction

d)

Exothermic Reaction

3.

What is an example of an exothermic reaction?

a)

Neutralization Reaction

b)

Endothermic Reaction

c)

Photosynthesis

d)

Combustion

4.

What is the result of a substance combining with oxygen in a combustion reaction?

a)

Electricity

b)

Heat

c)

Sound

d)

Light

5.

In an exothermic reaction, what happens to the energy of the surroundings?

a)

Disappears

b)

Decreases

c)

Stays the same

d)

Increases

6.

What is the reaction between iron and oxygen known as?

a)

Rusting

b)

Combustion

c)

Oxidation

d)

Neutralization

7.

What is the purpose of painting iron to protect it from rusting?

a)

Prevent rusting

b)

Increase rusting

c)

Change the color of rust

d)

Speed up rusting

8.

Which type of reaction absorbs energy from its surroundings?

a)

Dissipate

b)

Exothermic Reaction

c)

Oxidation Reaction

d)

Endothermic Reaction

9.

What is the result of an endothermic reaction on the surrounding area?

a)

Cooler

b)

Warmer

c)

Depends on the reaction

d)

No change

10.

What is the product formed when iron reacts with oxygen and water?

a)

Water Vapor

b)

Iron Oxide (Rust)

c)

Carbon Dioxide

d)

Hydrogen Peroxide

11.

What is the purpose of galvanizing iron to protect it from rusting?

a)

Speed up rusting

b)

Increase rusting

c)

Prevent rusting

d)

Change the color of rust

12.

Which type of reaction requires energy input to occur?

a)

Endothermic Reaction

b)

Exothermic Reaction

c)

Oxidation Reaction

d)

Dissipate

13.

What is the result of a substance combining with oxygen in an oxidation reaction?

a)

Electricity

b)

Heat

c)

Sound

d)

Light

14.

What is the impact of rusting on iron?

a)

Strengthens it

b)

Causes it to melt

c)

Changes its properties

d)

No impact

15.

if more heat energy is released in making bonds in the products than is taken in when breaking bonds in the reactants

a)

Exothermic

b)

Endothermic

c)

Exotermic

d)

Endotermic

16.

if less heat energy is released in making bonds in the products than is taken in when breaking bonds in the reactants

a)

Endothermic

b)

Exotermic

c)

Exothermic

d)

Entrothermic

17.

Is this diagram endothermic or exothermic

a)

Endothermic

b)

Exotermic

c)

Exothermic

d)

Endote

18.

Which gas is produced when metals react with an acid?

a)

Oxygen

b)

Carbon dioxide

c)

Hydrogen

d)

Helium

19.

Which element is common to all acids?

a)

Hydrogen

b)

Oxygen

c)

Carbon dioxide

d)

Helium

20.

Reaction of metals and acids is a ______________ reaction.

a)

Physical

b)

Chemical

c)

Biological

d)

Thermodynamic

21.

When a substance burns, the new substance formed is a/an __________

a)

acid

b)

alkali

c)

carbonate

d)

oxide

22.

When a substance burns, it is in reaction with _____________

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon dioxide

23.

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

a)

Hydrogen and iron

b)

Oxygen and lead

c)

Tin and carbon

d)

Carbon and hydrogen

24.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
25.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
26.
Which of the following is the product of the reaction of aluminium and oxygen?
a)
aluminium oxide.
b)
metal oxide
c)
aluminium ore
d)
aluminium and oxygen
27.
The rusting of iron is an example of
a)
a reduction reaction.
b)
an oxidation reaction.
c)
a reaction of iron with water.
d)
a reaction that dissolves iron.