Question

In which of the following change energy is not released? A) burning of candle , B) Melting of ice , C) Respiration , D) Burning of LPG​

Answer 1

Answer:

Energy changes:

(i) Burning of a candle: Chemical energy to light energy.

(ii) Steam engine: Chemical energy of coal first changes to heat energy of steam and then heat energy changes into mechanical energy.

Explanation:

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