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Question

Aqueous solution of which of the following compounds is used to detect carbon dioxide:



Your Answer
A

Sr(OH)2

Your Answer
B

Mg(OH)2

Correct Answer
C

Ca(OH)2

Your Answer
D

Be(OH)2


Solution

The correct option is B

Ca(OH)2


Aqueous solution of Calcium hydroxide (lime water) gives a white precipitate of Calcium carbonate and carbon dioxide gas is evolved.

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