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Subjects
Science State Board
Class 8
Chemistry in everyday life
Properties, types and applications of hydrocarbons, coal and petroleum
8.
Hydrocarbons: choose the correct answer
Exercise condition:
3
m.
1
.
The organic compounds that contain carbon and __________ are called hydrocarbons.
hydrogen
oxygen
nitrogen
2
.
Hydrocarbons are exist in __________.
liquid, gas and wax form
liquid form
gaseous form
3
.
Which of the following properties leads to the formation of a large number of complex hydrocarbon molecules?
Catenation
Density is lower than water
Water-insoluble
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