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]

Suppose you have to determine the percentage of carbon dioxide in a sa

1.	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]
A.	Heated copper oxide
B.	Cold, solid calcium chloride
C.	Cold, solid calcium hydroxide
D.	Heated charcoal
Answer» D. Heated charcoal