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Statement-1: Potential energy of water a...

Statement-`1`: Potential energy of water at `0^(@)C` is more than ice at `0^(@)C`.
Statement-`2`: Heat given to melt ice at `0^(@)C` is used up in increasing the potential energy of water molecules formed at `0^(@)C`.

A

Statement -`1` is True , Statement -`2` is True , Statement -`2` is correct explanation for Statement - `1`

B

Statement -`1` is True , Statement -`2` is True , Statement -`2` is not correct explanation for Statement - `1`

C

Statement -`1` is True , Statement -`2` is False.

D

Statement -`1` is False , Statement -`2` is True.

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The correct Answer is:
A
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2g ice at 0^(@)C is mixed with 1 g steam at 100^(@)C . Find the final temperature of the mixture.

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Statement - 1 : The steam at 100^(@)C causes more severe burn to human body than the water at 100^(@)C . Statement- 2 : The steam has greater internal energy due to latent heat of vaporization.

Statement-1: An ice cube is floating in water in a vessel at 0^(@)C when ice cube melts level of water in the vessel remain same. Statement-2: Volume of melted ice is same as volume of water displaced by ice.

100g of ice at 0^(@) is mixed with 100g of water at 100^(@)C . What will be the final temperature (in K ) of the mixture?

At normal pressure and 0^(@)C temperature the volume of 1 kg of ice is reduced by 91 cm^(3) on melting . Laters heat of melting of ice is 3.4xx 10^(5)J//kg . Calculate the changes in the internal energy when 2 kg of ice melts normal pressure and 0^(@)C. (P=1.01 xx 10^(5) Nm^(-2))

Statement-1 : Change in internal energy in the melting process is due to change in internal potential energy. Statement-2 : This is because in melting, distance between molecules increases but temperature remains constant.

When 1 kg of ice at 0^@ C melts to water at 0^@ C, the resulting change in its entropy, taking latent heat of ice to be 80 "cal/".^@C is ____

If 10 g of ice at 0^(@)C is mixed with 10 g of water at 40^(@)C . The final mass of water in mixture is (Latent heat of fusion of ice = 80 cel/g, specific heat of water =1 cal/g""^(@)C )

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