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Subjects
Science State Board
Class 8
Chemistry in everyday life
Properties, types and applications of hydrocarbons, coal and petroleum
14.
Uses of fossil fuels: Jumbled words
Exercise condition:
6
m.
Find the correct answers
:
1
.
This is the product of the destructive distillation of coal and a dark viscous liquid.
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2
.
The slow process of conversion of dead vegetation into coal.
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3
.
This is used to reduce friction
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