Question

when u add sodium hydrogen carbonate to acetic acid in a test tube ,a gas liberates immediately with brisk effervescence.name this gas.describe the method of tetsing this gas. plzz rely to this as fast as possible

Answer 1

when you bring a burning candle near the mouth of the cylinder containing carbon dioxide  it gets extinguished.

Answer 2

The brisk effervescence gas evolved is carbon di oxide(co2).

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