Question

2. A solution reacts with crushes egg-shells to give a gas then turns lime -water milky. The solution contains (a) NaCl (b) Hcl (c) LiCl (d) KCl
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Answer 1

Answer:

HCL

Explanation:

HCl + CaCO3 -----≥ CaCl2 + H2O (didn't balance)

But the product is that. Other options are salt, they don't react with egg shells (CaCO3 - Base)

Answer 2

Answer:

A solution reacts with crushes egg is Nacl