+2 votes
in Class 12 by kratos

Statement I (Assertion) and Statement ll (Reason) four alternative choices, only one of which b correct answer. You have to select the correct choice in the codes (a) , (b) , (c) and (d) in the given below

(a) Statement I is true, Statement II is true; Statement II is not a correct explanation of Statement I

(b) Statement I is true, Statement II is false

(c) Statement I is false, Statement II is true

(d) Statement I is true, Statement II is true; Statement II is a correct explanation of Statement I

Statement l In pressure temperature (p-T) phase diagram of water, the slope of the melting curve is found to be negative.

Statement II Ice contracts on melting.

1 Answer

+5 votes
by kratos
 
Best answer

The correct option is (d) Statement I is true, Statement II is true; Statement II is a correct explanation of Statement I.

Explanation:

The negative slope is because of change in phase. This happens to liquids which contracts on melting.

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