Question

what happen when CO2 gas is passed through lime water and why does it disappears on passing excess co2​

Answer 1

Answer:

when lime water is

released to co2 some chemical reactions will occur so co2 will disappear

Answer 2

QUESTION:

what happen when CO2 gas is passed through lime water and why does it disappears on passing excess co2.

ANSWER:

When carbon dioxide is passed through lime water that is calcium hydroxide then calcium carbonate , insoluble white precipate and water is formed.

CO2 + Ca(OH)2---------> Ca(CO)3 + H2O.

when we pass excess carbon dioxide to the solution then milliners will disappear as Calcium bicarbonate will formed which is soluable in water.

Ca(CO)3 + CO2 ---------> CaH(CO)3.

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