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‘‘Biogas is an excellent fuel.’’ List four reasons to justify this statement. Write the main constituent of this gas and state its percentage.

 

 

 

 
 
 
 
 

Answers (1)

Biogas is an excellent fuel -

(i) Its heating capacity is high.

(ii) It burns without smoke.

(iii) Leaves no residue.

(iv) An efficient method of waste disposal.

The main constituent of biogas is methane (75\; ^{o}/_{o})

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Sumit Saini

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