Question

A student takes two test tubes marked A and B containing and respectively. He adds

acetic acid to the test tubes one by one and every time he immediately brings a lighted matchstick near to

the mouth of the test tube. In one of the case, he observed that the matchstick extinguishes. Identify the

case and give reason why it happen​

Answer 1

because of hydrogen gas

acetic acid is CH3COOH,oxygen is a necessity for burning and acetic acids melting point is 16.6 degree Celsius hence releases hydrogen and carbon with oxygen carbon is dense than oxygen and hence the match stick extingushes