Question

A solution of a substance X is used for testing carbon dioxide. identify X .what will be tje reaction with carbon dioxide and excess of carbon dioxide give reaction ​

Answer 1

Answer:

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a. X- calcium hydroxide --- Ca[OH]2

Ca[OH]2 + CO2 ------> CaCO3 + H2O

b. Calcium hydroxide is obtained by the reaction of calcium oxide with water.

CaO + H2O -------> Ca[OH]2 + Heat

Answer 2

Answer:

For testing carbon dioxide, CALCIUM HYDROXIDE is used which is generally called as Lime Water. The chemical reaction with carbon dioxide is given below: (b) X can be obtained in many ways: ... 1) Substance x is obtained by adding water and calcium oxide.