Question

Q.4) Define igination Temperature. It is difficult to burn a heap of green leaves but dry leaves catch fire
easily Explain?
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Answer 1

Answer:

The lowest temperature at which a substance catches fire and undergoes combustion liberating heat and light is called ignition temperature.

Explanation:

Green leaves contain moisture and as a result, the ignition temperature of green leaves is much higher than that of dry leaves. Due to this, it is difficult to burn a heap of green leaves but dry leaves catch fire easily.