Why does the paper cup in figure(i)start burning while the paper cup with water in it
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4
Answer:
as water is an insulater of fire
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3
Answer:
The water in the cup serves as a "heat sink". It prevents the paper from getting hotter than the boiling temperature of the water. Paper cup with water is not burned beacause it prevents paper cup by attaining it's ignition temperature.
Explanation:
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