P-Block Elements Ques 45

Question: Suppose you have to determine the percentage of carbon dioxide in a sample of a gas available in a container. Which is the best absorbing material for the carbon dioxide

[Pb. PMT 2001]

Options:

A) Heated copper oxide

B) Cold, solid calcium chloride

C) Cold, solid calcium hydroxide

D) Heated charcoal

Show Answer

Answer:

Correct Answer: C

Solution:

$ CO_2 $ is acidic oxide and thus more effectively absorbed by an alkali.



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