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CHEMISTRY

Chemistry
For generation of biogas, the materials commonly used are

Forest residues
Aquatic plants
Crop residues
Animal wastes

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Chemistry
The main constituent of natural gas is

Ethane
Propane
Methane
Butane

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Chemistry
Which of the following is biodegradable ?

D.T.
Plastic
Paper
Aluminium

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Chemistry
Which of the following is a commercial source of energy?

Dried dung
Sun
Natural gas
Agricultural waste

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Chemistry
Which of the following is not a commercial source of energy?

Firewood
Petroleum
Coal
Natural Gas

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