Choose the incorrect statement.

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We are encouraged to plant more trees to ensure a clean environment and provide biomass fuel.

Gobar gas is produced when crops, vegetable wastes, etc., decompose without oxygen.

The main component of biogas is methane, which gives a lot of smoke and produces a lot of residual ash.

Biomass is a renewable source of energy.

answer is C.

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Detailed Solution

The main component of biogas is methane, which gives a lot of smoke and produces a lot of residual ash is an incorrect statement among the given statements.
The main component of biogas is methane (up to

75

%), which burns without smoke and leaves no ash. Biogas is a mixture of gases from raw materials like agricultural waste, manure, etc. When biogas is burnt, it burns without smoke and leaves no residual ash. As a result, biogas reduces many respiratory problems, asthma, eye infections, etc.

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