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Subjects
Science State Board
Class 8
Chemistry in everyday life
Properties, types and applications of hydrocarbons, coal and petroleum
11.
Fossil fuel: properties: Choose the correct answer
Exercise condition:
2
m.
1
.
Combustion process of fossil fuels leads to the
basic environment.
green environment.
acidic environment.
2
.
Which of the following has the high calorific value?
Lubricating oil
LPG
Coal
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