Science, asked by ashmitapal123, 7 months ago

Identify the substance 'X' in the reaction given below:CO2 + 'X'= CaCO3 + H2O

CaOH
Ca(OH)3
Ca(OH)2
CaO

Answers

Answered by SnowyPríncess

1

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

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