Question

A water soluble compound X of sodium on reacting with dil. H2SO4
released a colourless and

odourless gas accompanied by brisk effervescence. When the gas was passed through water, the
solution obtained turned blue litmus solution red. On bubbling the gas through lime water, it initially
became milky and the milkiness disappeared when the gas was passed in excess.

Identify the
substance X and write chemical equations for the reactions involved?​

Answer 1

Answer:

X - sodium carbonate( Na2CO3)

The reaction is Na2CO3+ H2SO4 __< 200 °C_____ NaHSO4 + CO2

>200°C. Na2SO4 + CO2

Answer 2

Answer:

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