Q.

Statement I : If one gram of ice is mixed with 1 g of water at 800C, then the final temperature of mixture is zero.Statement II : Latent heat of ice 800C cal/g.

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a

If both statement I and statement II are true and statement II is the correct explanation of statement I.

b

If both statement I and statement II are true but statement II is not the correct explanation of statement I.

c

If statement I is true but statement II is false

d

If both statement I and statement II are false

answer is B.

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Detailed Solution

Heat required by ice to melt   = 1 ×80 = 80 calHeat lost by water in cooling from 800C to 00C  = 1×1×(80-0) = 80 calFrom principle of calorimetry,Heat lost = Heat gainedThus, the final temperature of mixture will be 00C.
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