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CHEMISTRY

Chemistry
For generation of biogas, the materials commonly used are

Animal wastes
Forest residues
Crop residues
Aquatic plants

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Chemistry
The main constituent of natural gas is

Ethane
Propane
Butane
Methane

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Chemistry
Which of the following is biodegradable ?

Paper
Aluminium
Plastic
D.T.

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

Sun
Agricultural waste
Natural gas
Dried dung

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

Natural Gas
Firewood
Coal
Petroleum

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