Question 1

What type of chemical reaction involves a substance combining with oxygen?

Accepted Answer

Combustion

Answer

Decomposition

Answer

Single displacement

Answer

Double displacement

Question 2

Which of the following is an example of a synthesis reaction?

Accepted Answer

2H_2 + O_2 → 2H_2O

Answer

CaCO_3 → CaO + CO_2

Answer

Zn + 2HCl → ZnCl_2 + H_2

Answer

2H_2O → 2H_2 + O_2

Question 3

What is the term for a reaction that absorbs energy from its surroundings?

Accepted Answer

Endothermic

Answer

Exothermic

Answer

Catalytic

Answer

Redox

Question 4

In a chemical reaction, what is the substance called that speeds up the reaction without being consumed?

Accepted Answer

Catalyst

Answer

Reactant

Answer

Inhibitor

Answer

Product

Question 5

Which type of reaction involves the exchange of ions between two compounds?

Accepted Answer

Double displacement

Answer

Synthesis

Answer

Combustion

Answer

Single displacement

Question 6

What do you call a reaction that breaks down a compound into simpler substances?

Accepted Answer

Decomposition

Answer

Synthesis

Answer

Combustion

Answer

Displacement

Question 7

Which of the following indicates a chemical change has occurred?

Accepted Answer

Formation of a gas

Answer

Mixing of two liquids

Answer

Change in state

Answer

Dissolving in water

Question 8

What is the primary factor that determines the rate of a chemical reaction?

Accepted Answer

Concentration of reactants

Answer

Color of the reactants

Answer

Temperature of the reactants

Answer

Volume of the products

Question 9

What is released when chemical bonds are formed in a reaction?

Accepted Answer

Energy

Answer

Light

Answer

Matter

Answer

Heat

Question 10

Which type of reaction involves one element replacing another in a compound?

Accepted Answer

Single displacement

Answer

Combination

Answer

Decomposition

Answer

Combustion

Related quizzes

Related quizzes