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Question
Match the following :
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. |
A. Ammonium sulphate |
| 2. A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. |
B. Lead carbonate |
| 3 . A solu tion of this compound gives a dirty green preci pi ta te with sodium hydroxide. |
C. Chlorine |
| 4 . A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. |
D. Copper nitrate |
| 5 . A white solid which gives a yellow residue on heating. |
E. Ferrous sulphate |
Solution
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. |
Chlorine |
| 2. A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. |
Copper nitrate |
| 3 . A solu tion of this compound gives a dirty green preci pi ta te with sodium hydroxide. |
Ferrous sulphate |
| 4 . A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. |
Ammonium sulphate |
| 5 . A white solid which gives a yellow residue on heating. |
Lead carbonate |
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