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WorksheetsSCS Yr 11 Combustion
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Identify the product when coal is burned in excess oxygen
a)
Carbon
b)
Carbon monoxide
c)
Carbon dioxide
d)
Water
2.
Identify the product when hydrocarbons are burned in excess oxygen
a)
Carbon
b)
Carbon monoxide + Water
c)
Carbon dioxide
d)
Water + Carbon dioxide
3.
The formula for methane is...
a)
CH2
b)
CH4
c)
C2H6
d)
C2H4
4.
The formula for Ethane is...
a)
CH2
b)
CH4
c)
C2H6
d)
C2H4
5.
When methane burns in excess oxygen the products are...
a)
Carbon dioxide + Oxygen
b)
Carbon dioxide + Water
c)
Water + Carbon monoxide
d)
Carbon monoxide + Carbon dioxide
6.
Incomplete combustion occurs when there is limited ....
a)
Oxygen
b)
Water
c)
Carbon dioxide
d)
Nitrogen
7.
The products for incomplete combustion are...
a)
Coal
b)
Soot and nitrogen
c)
Soot + Carbon monoxide
d)
Soot, carbon monoxide + water
8.
The correct equation for complete combustion of methane is...
a)
CH4 + 2O --> CO
b)
CH3 + 2O2 --> 2H2O
c)
CH4 + 2O2 --> CO2 + 2H2O
d)
CH4 + O --> CO2 + 2H2O
9.
The correct equation for incomplete combustion of methane is...
a)
2CH4 + 2.5O2 --> C + CO + 4H2O
b)
CH3 + 2O2 --> 2H2O
c)
CH4 + 2O2 --> CO2 + 2H2O
d)
CH4 + O --> CO2 + 2H2O
10.
Carbon monoxide is a dangerous gas because it is
a)
Corrosive
b)
Toxic
c)
Flammable
d)
Smelly
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