Q.

Acetic acid was added to a solid X kept in a test tube. A colourless and odourless gas was evolved. 
The gas was passed through lime water which turned milky. It was concluded that

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a

Solid X is sodium hydroxide and the gas evolved is CO2

b

Solid X is Calcium hydroxide and the gas evolved is CO2

c

All

d

Solid X is sodium bicarbonate and the gas evolved is CO2

answer is B.

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Detailed Solution

Solid X is sodium bicarbonate and the gas evolved is CO2

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