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Question
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
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Solution 1
\[\ce{ZnS + 2HCl -> ZnCl2 + H2S}\]
Solution 2
\[\ce{\underset{(Pot.sulphide)}{K2S}+ 2HCl -> 2KCl + H2S}\]
RELATED QUESTIONS
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
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- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
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\[\ce{Acid + Base -> Salt + water}\]
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