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Worksheetscarbon dioxide
Total questions: 11
Worksheet time: 6mins
The percentage of carbon dioxide gas in air is
1
21
0.03
78
A gas which turns limewater in to turbid is ............... gas
Oxygen
Ozone
Carbon dioxide
Nitrogen
Carbon dioxide is a:
compound
element
mixture
molecule
how many atoms make up a molecule of carbon dioxide ( CO2)?
1
2
3
4
Carbon dioxide is produced from
Photosynthesis process
exhalation process
burning of a candle
Air is heavier than carbon dioxide gas
True
False
Carbon dioxide scarcely dissolves in water
True
False
Carbon dioxide is used in the industry of
steel
soft drinks
gunpowder
fertilizers
Carbon dioxide gas doesn't burn and doesn't help in burning
True
False
The gas that forms 0.03% of the volume of air
Oxygen
Carbon dioxide
Nitrogen
hydrogen
Carbon dioxide is produced as a result of combustion of
wood
oil
gasoline
all
