Question

26.The picture below shows two cases in which a person is trying to burn the paper cup. In case 1, the cup has water in it and in case 2, it is empty and dry. Identify in which of the cases the paper will burn. *

Answer 1

Answer:

Explanation:

Case 2.

Because, the amount of free oxygen in Case 1 is much less than that of Case 2. So, the paper cup in case 2 will burn more easily and quickly.

Answer 2

Answer:

In case 2. the paper cup will burn properly because it's dry and ignition temprature is low....

In case 1. the paper cup will not burn because the water absorbs heat coming from burning source and thus prevent the from teaching it's ignition temprature ..

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