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Which of the following statements is INC...

Which of the following statements is INCORRECT?

A

For a given mass, finely divided platinum is a good adsorbent compared to a large piece of platinum metal.

B

Charcoal is an effective adsorbent due to its porous nature.

C

A gas cannot be liquefied above its critical temperature.

D

For a given mass, nickel metal sheet having smooth surface is a good adsorbent compared to nickel metal sheet having rough surface.

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The correct Answer is:
D
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