Question

A flask is filled with bolling water. The temperature of the water in the beginning is
100°C. Once water is kept away from fire, its temperature starts changing at the rate of
4°Clh. In how much time will ternporaturo roduco to 40°C?

Answer 1

Answer:

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I think the answer is 400°C

Answer 2

Answer:

Initial temperature =100°C

After reducing temperature = 40°C

Temperature reduced =100-40=60°C

Rate of change in temperature =4°C/h

Time taken to reduce the temperature =60/4

=12 hours..

ANSWER= 12h