ICSE Class 10 Chemistry 2022 Solved Paper
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Distinguish between the following as directed :
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Question : 49
Total: 55
Lead salt solution and zinc salt solution.
[usingNH 4 OH
[using
Solution:
| Lead Salt Solution | Zinc SaltSolution |
|---|---|
| When ammonium hydroxide solution is added to it, it gives chalky white ppt. of lead hydroxide. On addition of excess of ammonium hydroxide, the ppt. is insoluble. | When ammonium hydroxide solution is added to it, it gives gelatinous white ppt. of zinc hydroxide. On addition of excess of ammonium hydroxide the ppt. is soluble. |
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