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WorksheetsBalancing Equations and Types of Reactions
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Which side of a chemical equation is the reactant side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
2.
Balance this equation:
2Li + Cl2 -> LiCl
2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
3.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H2 + __S --> __H2S
a)
1,1 --> 1
b)
2,2 --> 2
c)
1,2 --> 1
d)
1,2 --> 2
4.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__Al + __O2--> __Al2O3
a)
4,1 --> 2
b)
4,3 --> 4
c)
3,4 --> 1
d)
4,3 --> 2
5.
Si + S8 →Si2S4
a)
Synthesis
b)
Decomposition
c)
Single replacement
d)
Double replacement
6.
Pb(NO3)2 →PbO + NO2 + O2
a)
Synthesis
b)
Decomposition
c)
Single replacement
d)
Combustion
7.
AB + CD →AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
8.
Cu + 2Ag(NO3) → 2Ag + Cu(NO3)
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Replacement Reaction
d)
Double Replacement Reaction
9.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
10.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
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