I. Increase the melting point of the liquid.
II. Increase the boiling point of the liquid.
III. Decrease the melting point of the liquid.
IV. Decrease the boiling point of the liquid.

A. I and II only
B. I and III only
C. II and III only
D. III and IV only

Correct Answer:

Option C = II and III only

Explanation

Increase in pressure generally raises the boiling point but but lowers the melting point. II and III

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