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 that can be used to retrieve carbon dioxide.

Heated copper oxide

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Cold, solid calcium chloride

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Cold, solid calcium hydroxide

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Heated charcoal

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Solution

The correct option is C
Cold, solid calcium hydroxide

$C O_{2}$ is an acidic oxide and is thus more effectively absorbed by an alkali.

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Similar questions

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

50 g

of an impure calcium carbonate sample decomposes on heating to give carbon dioxide and

22.4 g

calcium oxide. The percentage purity of calcium carbonate in the sample is:

200 g

of a calcium carbonate sample decomposes on heating to give carbon dioxide and

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of calcium oxide. What will be the percentage purity of calcium carbonate in the sample?
(

G i v e n : C a C O_{3} \to C a O + C O_{2}

)

200 g

of a calcium carbonate sample decomposes on heating to give carbon dioxide and

80 g

of calcium oxide. What will be the percentage purity of calcium carbonate in the sample?
(

G i v e n : C a C O_{3} \to C a O + C O_{2}

)

Q. Write the balanced chemical equations for the following reactions:
(a)

Calcium hydroxide + Carbon dioxide \underset{}{\to} Calcium carbonate + Water

(b)

Aluminium + Copper chloride \underset{}{\to} Aluminium chloride + Copper

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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 that can be used to retrieve carbon dioxide.

The correct option is C Cold, solid calcium hydroxide CO2 is an acidic oxide and is thus more effectively absorbed by an alkali.

The correct option is C
Cold, solid calcium hydroxide

$C O_{2}$ is an acidic oxide and is thus more effectively absorbed by an alkali.