Question

A water insoluble substance "x" on reacting with dil. H SO, released a
colourless and odourless gas accompanied by brisk effervescance. Whem.
the gas was passed through water, the solution cbtained turned blue
letmus red on bubbling the gas through lime water, it initiall became
milky and, milkness disappeared when the gas was passed in excess.
(04)
Write it Chemical equation involved.​

Answer 1

Answer:

Explanation:

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