Question

A substance M on heating gives a colourless gas N which turns lime water milky. In a reaction N gas is allowed to react with saturated ammonia and brine to
regain the substance M. On heating substance Ma solid substance soda ash is obtained. Identify M and N respectively.​

Answer 1

Explanation:

M = Na2CO3 also known as sodium carbonate

N = CO2 also known as carbondioxide

Answer 2

Explanation:

m= Na2Co3

n=O2::::::;;:;:;;;;::