"When $C O_{2}$ is passed into lime water, white turbidity appears which dissolves in excess of $C O_{2}$ ."
Answer whether the above statement is true or false.

True

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False

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Solution

The correct option is A True
When $C O_{2}$ passes through lime water, it turns it into milky carbonate water due to formation of insoluble calcium carbonate.
$4 C a (O H)_{2} + C O_{2} \to C a C O_{3} (+) + H_{2} O$
If $C O_{2}$ is passed for longer period, turbidity disappears due to form of soluble calcium bicarbonate.
$C a C O_{3} + H_{2} o + C O_{2} C O_{2} \to C a (H C O_{3})_{2}$

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