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CHEMISTRY

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

Uranium
Natural gas
Geothermal powder
Coal

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Chemistry
Gobar gas contains mainly :

Methane
Propylene
Acetylene
Ethylene

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Chemistry
Gobar gas mainly contains

Hydrogen sulphide
Carbon monoxide
Methane
Carbon dioxide

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Chemistry
The main constituent of biogas is

Methyl alcohol
Oxygen
Acetic acid
Methane

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Chemistry
An example of replenishable energy source is–

Petroleum
Lignite
Biomass
Coal

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