Question

we can boil water in a paper cup even though paper catches due easily. give reason​

Answer 1

Answer:

We can boil water in a paper cup the reason that he heat given by the flame is quickly transferred from the paper cup to the water. As a result the temperature if the paper does not reach the ignition temperature and hence is not burned. The heat gained by water raises its temperature and finally it starts boiling.

Answer 2

When heat is applied to the paper cup, the water in the cup just absorbs all the thermal energy, meaning the fire is heating water, not the cup.

Because water boils at 212 Fahrenheit and the paper cup will burn at 451 Fahrenheit, you will be able to heat the water to the boiling point before the cup burns up.

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