Why does a piece of paper burn with yellow flame? Give a reason.
Updated 1/12/2026
Why isn’t hydrogen gas used as a domestic or industrial fuel, although it has a very high calorific value? State three reasons for the answer.
Updated 1/12/2026
When the clothes of a person catch fire, the person is covered with a blanket to extinguish fire, explain why?
Updated 1/12/2026
On putting glass over a lighted candle, the candle flame flickers and produce smoke, why so?
Updated 1/12/2026
Explain how water gets boiled in paper cup without burning it.
Updated 1/12/2026
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