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A gas is liberated immediately with bris...

A gas is liberated immediately with brisk effervescence when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe a test to confirm the identity of the gas.

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The gas evolved is `CO_(2)` (For reaction, consult Q. 19). It turns lime water milky when bubbled in small amount. On bubbling the gas in excess, the milkiness disappears.
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A gas is liberated immeiately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate power in a test tube. Name the gas and describe the test that confirms the identify of the gas.

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