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CHEMISTRY

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

Uranium
Geothermal powder
Natural gas
Coal

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Chemistry
Gobar gas contains mainly :

Methane
Ethylene
Propylene
Acetylene

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Chemistry
Gobar gas mainly contains

Carbon monoxide
Hydrogen sulphide
Methane
Carbon dioxide

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Chemistry
The main constituent of biogas is

Methane
Methyl alcohol
Acetic acid
Oxygen

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Chemistry
An example of replenishable energy source is–

Lignite
Biomass
Coal
Petroleum

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