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UkoKoshka [18]
3 years ago
11

1.When acids react with carbonates,------------gas is liberated.

Chemistry
1 answer:
telo118 [61]3 years ago
4 0

Answer:When acids react with carbonates,---CO2--------gas is liberated.

Explanation:

Acids liberate Carbon IV oxide when they react with  Carbonates  bicarbonate

For examples

Acid +carbonate  ⟶ Salt + Water + Carbon dioxide

Calcium carbonate + Hydrochloric acid  will give Calcium chloride with the liberation of CO2 gas and water

CaCO3 + 2HCl →CaCl2 + CO2 + H2O

To Test for the presence of the CO2 Liberated, we pass the gas through lime water, if the lime water turns milky, then C02 gas is confirmed.

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