Question

what happens when dilute hydrochloric acid is added to quick lime
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Answer 1

Answer:

When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.

Answer 2

Calcium chloride is formed when hydrochloric acid is added to quick lime.

• Quick lime is a common name of the compound calcium oxide, which is a base because any metal oxide is basic in nature.
• Hydrochloric acid is highly acidic in nature, and when it is mixed with a base, a salt compound is obtained.
• When Hydrochloric acid is mixed with quick lime then calcium chloride is obtained and is known as displacement reaction.
• This is a displacement reaction because the calcium from quick lime and chloride from HCl is obtained.
• The reaction is:

$CaO+2HCl$ → $CaCl_{2}+H_{2}O$