Question

An oxide of metal is added into water. When a gas is passed through product formed which is used for white washing also makes the product milky.
(i) which metal oxide was in the rxn.
(ii) Which gas is passed through product.
(iii)What was the product in both reactions.​

Answer 1

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• The oxide is Calcium oxide. CaO
• Carbon Dioxide (CO2) is passed through the product
• Product formed in first case - Ca(OH)2 or Calcium Hydroxide. Product formed in second case - CaCO3 + H2O

Answer 2

Answer:

CO2 gas evolved

caco3

Explanation:

caco3+h2o gives ca(oh)2 + co2