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Types of chemical reactions

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

Select each compound that can be produced by combustion reactions. (more than 1 answer)

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Glucose

e)

Carbon

2.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
3.

What reaction has the following general formula:

A + CD --> C + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

4.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
5.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

6.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

7.

Identify the following chemical reaction.

Pb + FeSO4 ----> PbSO4 + Fe

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

8.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

9.

Identify the following chemical reaction.

3 HBr + 1 Al(OH)3 ----> 3 H­2O + 1 AlBr3

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

10.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

11.
In a chemical reaction, everything to the right of the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
12.

Which of the following is a compound?

a)

zinc (Zn)

b)

magnesium (Mg)

c)

sodium chloride (NaCl)

d)

potassium (K)

13.

Identify the type of chemical reaction

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

14.

Identify the following chemical reaction.

Pb + FeSO4 ----> PbSO4 + Fe

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

15.

What kind of reactions combines two elements to create a compound?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

16.

What reaction breaks compounds into separate elements?

a)

Combustion

b)

Double Replacement

c)

Decomposition

d)

Single Replacement

17.

One element replaces another element within a compound, what type o reaction is it?

a)

double Replacement

b)

Single Replacement

c)

Synthesis

d)

Combustion

18.

Two compounds both trade elements, what type of reaction is it?

a)

Double Replacement

b)

Combustion

c)

Synthesis

d)

Single Replacement

19.

A hydrocarbon is burned in oxygen to produce carbon dioxide and water, What kind of reaction is this?

a)

Double Replacement

b)

Single Replacement

c)

Combustion

d)

Synthesis

20.

A+B=AB

a)

Decomposition

b)

Decomposition

c)

Combustion

d)

Synthesis

21.

AB+C=AC+B

a)

Decomposition

b)

Double Replacement

c)

Single Replacement

d)

Combustion

22.

AB+CD=AD+CB

a)

Double Replacement

b)

Synthesis

c)

Decomposition

d)

Combustion

23.

AB=A+B

a)

Double Replacement

b)

Combustion

c)

Single Replacement

d)

Decompositions

24.

CxHx+O2=CO2+H2O

a)

Synthesis

b)

Double Replacement

c)

Combustion

d)

Single Replacement

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