Question

few drops of lemon juice are poured over solid sodium carbonate,when a lot effervescence takes place with the evolution of a colourless gas.the gas evolved is​

Answer 1

Answer:

carbon is taking reaction in these chemical

Answer 2

If few drops of lemon juice are poured over solid sodium carbonate. The carbon dioxide gas is released.

Explanation:

Carbon dioxide gas has lot of effervescence and it is a colourless gas. In this gas, there are two molecules of  oxygen and one molecule of carbon.

The sodium carbonate is $NaCO_{3}$, in which one molecule of Sodium (Na), one molecule of carbon (C) and three molecule of oxygen (O).