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WorksheetsTypes of chemical reactions REDO
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Two Reactants and One Product
a)
Decomposition
b)
Combination
c)
Combustion
d)
Single Replacement
2.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
3.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
4.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
5.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
6.
What is the type of reaction shown at the top?
a)
Combination
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
7.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
8.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
9.
What does (aq) mean in a chemical reaction?
a)
Ag
b)
silver
c)
aqualirious
d)
aqueous
10.
The following reaction is an example of what reaction type?
CoCO3 → CoO + CO2
CoCO3 → CoO + CO2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
11.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
12.
KOH + H3PO4 --> K3PO4 + H2O
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
13.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
14.
What are the products in the following chemical equation?
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
H2
b)
O2
c)
2H2 + O2
d)
2H2O
15.
What are always the product(s) for the combustion of a hydrocarbon?
a)
O2
b)
Acids and Bases
c)
H2O and CO2
d)
H2 and C
16.
What is the left part of a chemical equation called?
H2 + O → H2O
H2 + O → H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
17.
What is the right part of a chemical equation called?
H2 + O → H2O
H2 + O → H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
18.
Switching one substance for another
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
19.
Breaking down a substance into simpler substances
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
20.
Combining substances to form a new substance
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
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