table 6.4 activity answers


Asked by salimkumarev | 11th Jan, 2018, 08:15: PM

Expert Answer:

Q. What happens to the empty paper cup?

Ans. An empty paper cup will start burning.


Q. What happens to the paper cup with water?

Ans. The heat supplied to the paper cup is transferred to water by conduction.

       So, in the presence of water, the ignition temperature of paper is not reached.

       Hence, it does not burn.


Q.  Does water in this cup become hot?

Ans. Yes, water in the cup become hot. 

Answered by Varsha | 12th Jan, 2018, 02:55: PM

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