For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
Correct answer: A. Sodium chloride
- A. Sodium chloride
- B. Sodium carbonate monohydrate
- C. Anhydrous sodium sulphate
- D. Hypo
Explanation
Sodium chloride has a very small change in solubility over the usual temperature range, unlike many salts whose solubility rises appreciably. Sodium carbonate monohydrate and anhydrous sodium sulphate show much stronger temperature effects, while hypo is not the standard exception cited here.
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