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CHEMISTRY

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

Coal
Uranium
Geothermal powder
Natural gas

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Chemistry
Gobar gas contains mainly :

Acetylene
Ethylene
Propylene
Methane

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Chemistry
Gobar gas mainly contains

Methane
Hydrogen sulphide
Carbon monoxide
Carbon dioxide

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Chemistry
The main constituent of biogas is

Oxygen
Acetic acid
Methyl alcohol
Methane

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Chemistry
An example of replenishable energy source is–

Lignite
Biomass
Coal
Petroleum

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