Question

A water insoluble 'X' on reaction with dil. hydrochloric acid released a colourless and odourless gas accompanied by brisk effervescence. When the gas was passed through water, the solution obtained turned blue litmus to red. On bubbling the gas through lime water, it initially turned milky and the milkiness disappeared when the gas was passed excess. Identify the substance ce 'X'. Write the chemical reactions involved in the form of balanced chemical equation.

Answer 1

Answer:

Explanation:

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X- CaCO₃

CO₂ + H₂O -------------> H₂CO₃