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A) i-I, ii-reached
B) i-II, ii-reached
C) i-I, ii-not reached
D) i-I, ii-not reached
Correct Answer: D
Solution :
The ignition temperature of a substance is the minimum temperature at which it starts burning. A substance does not catch fire as long as its temperature is lower than its ignition temperature. In the presence of water, the ignition temperature of paper cup II is not reached. This is because water absorbs all heat and gets converted into water vapours. As a result, paper cup II does not burn. The correct answer is D.You need to login to perform this action.
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