Question

Differentiate between the following following pairs by giving a chemical test : 1. Calsium carbonate and copper carbonate 2. Sodium nitrate and magnesium nitrate 3. Potassium sulphate and zinc sulphate 4. Zinc nitrate and lead nitrate 5. Sulphur dioxide and hydrogen sulphide gas​

Answer 1

Answer:

(i) Addition of an excess of Ammonium hydroxide.

Lead nitrate results in insoluble white precipitate while zinc nitrate initially forms a white precipitate that soluble in excess of ammonium hydroxide solution.

(ii) Silver nitrate test. Silver nitrate gives a white precipitate with sodium chloride while sodium nitrate does not react.

Explanation:

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