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 release a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	B. Lead carbonate
3. A solution of this compound gives dirty green precipitate 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

Answer 1

Column A	Column B
1. A substance that turns moist starch iodide paper blue.	C. Chlorine
2. A compound which release a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	D. Copper nitrate
3. A solution of this compound gives dirty green precipitate with sodium hydroxide.	E. Ferrous sulphate
4. A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride.	A. Ammonium sulphate
5. A white solid which gives a yellow residue on heating	B. Lead carbonate