A solution of a substance ‘x' is used for testing carbon dioxide. Write the equation of the reaction of x with carbon dioxide. How is x obtained? Write chemical reaction.
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Explanation: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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