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Sodium Thiosulphate

Lime water be...

Question

Lime water becomes turbid on passing $N O_{2}$ through it.
If this is true enter 1, if false enter 0.

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Solution

Lime water becomes turbid on passing $C O_{2}$ .
Carbon dioxide passed into limewater gives a milky solution. This is due to the insoluble suspension of calcium carbonate formed:
$C a (O H)_{2} (a q) + C O_{2} (g) \to C a C O_{3} (s) + H_{2} O (l)$
Lime water reacts with $N O_{2}$ and oxygen to produce calcium nitrate that is soluble in water.
$C a (O H)_{2} (a q) + O_{2} + N O_{2} (g) \to C a (N O_{3})_{2} (s) + H_{2} O (l)$

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