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प्रश्न
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
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उत्तर १
\[\ce{ZnS + 2HCl -> ZnCl2 + H2S}\]
उत्तर २
\[\ce{\underset{(Pot.sulphide)}{K2S}+ 2HCl -> 2KCl + H2S}\]
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