Consider the following salts. Which one(s) when P dissolved in wate...

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Consider the following salts. Which one(s) when
P dissolved in water will produce an acidic solution?

W
1. \( \mathrm{NH}_{4} \mathrm{Cl} \)
2. \( \mathrm{KHSO}_{4} \)
3. \( \mathrm{NaCN} \)
4. \( \mathrm{KNO}_{3} \)
(1) 2 and 3
(2) only 3
(3) 1 and 2
(4) 2 and 4
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