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Chemical reactions quiz

Total questions: 12

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following is a reactant in the following equation?


O2 + C6H12O6 > CO2 + H2O

a)

CO2

b)

H2O

c)

O2

2.

Which of the following is a product in the following equation?


O2 + C6H12O6 > CO2 + H2O

a)

CO2

b)

C6H12O6

c)

O2

3.

What type of reaction is this?


2NaHCO3 --> Na2CO3 + H2O + CO2

a)

Single Replacement

b)

Combustion

c)

Decomposition

d)

Synthesis

4.

What type of reaction is this?


2Na + 2H2O --> 2NaOH + H2

a)

Single Replacement

b)

Double Replacement

c)

Synthesis

d)

Decomposition

5.

Which coefficient should be placed in front of Lithium to balance this equation?


AlCl3 + Li --> LiCl + Al

a)

1

b)

2

c)

3

d)

0.00000000000001

6.

What type of reaction is this?


CH4 + 2O2 --> 2H2O + CO2

a)

Combustion

b)

Synthesis

c)

Double Replacement

d)

Single Replacement

7.

What type of reaction is this?


Pb(NO3)2 + 2KI --> 2KNO3 + PbI2

a)

Double Replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

8.

What coefficient should be placed in front of Oxygen (O2) to balance this equation?


Al + O2 --> Al2O3

a)

3

b)

2

c)

6

d)

1

9.

Which of the following could be an indication that a chemical reaction has occurred?

SELECT ALL THAT APPLY!!!

a)

Bubbles

b)

Precipitate Formation

c)

Change in Mass

d)

Change in Shape

e)

Change in Temperature

10.

What type of reaction is this?

4 Fe + 3 O2 --> 2 Fe2O3

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Decomposition

11.

In an endothermic reaction, there is more energy in the products

a)

true

b)

false

12.

In an exothermic reaction, there is more energy in the products

a)

true

b)

false