On decreasing the temperature, the solubility of common salt $(N a C l)$ in water .

decreases

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increases

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remains the same

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Solution

The correct option is A decreases
Solubility of a solute in a solvent varies with temperature. Incase of $N a C l$ , the solubility is directly proportional to the temperature.
If the temperature increases, its solubility in water increases.

In other words, more $N a C l$ can be dissolved in the same amount of solvent at higher temperature.

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Similar questions

(N a C l)

Name :

(a) a chloride which is insoluble in cold water but dissolves in hot water,

(b) a chloride which is insoluble,

(d) a basic salt,

(e) an acidic salt,

(f) a mixed salt,

(g) a complex salt,

(h) a double salt,

(i) a salt whose solubility increases with temperature,

(j) a salt whose solubility decreases with temperature.

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