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Question
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]
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Solution 1
\[\ce{CaSO3 + 2HCl → CaCl2 + H2O + SO2}\]
Solution 2
\[\ce{\underset{(Pot.bisulphite)}{KHSO3}+ HCl -> KCl + H2O + SO2}\]
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