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प्रश्न
Biogas is a better fuel than animal dung cake because:
पर्याय
biogas has a lower calorific value.
animal dung cake has a high calorific value.
biogas bums smoke and leave no residue.
biogas is used as a fuel for cooking only whereas dung cake can be used for cooking, illuminant the lanterns.
MCQ
उत्तर
biogas bums smoke and leave no residue.
Explanation:
Biogas has high calorific value and leave no residue, no smoke after burning and can be used for domestic purpose, running engines and in gas lanterns for illumination.
shaalaa.com
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