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 solution of this compound gives a 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

1.	A substance that turns moist starch iodide paper blue	C. Chlorine
2.	A compound that releases a reddish-brown gas after reacting with concentrated sulphuric acid and copper turnings	D. Copper nitrate
3.	A solution of this compound gives a dirty-green precipitate with sodium hydroxide	E. Ferrous sulphate
4.	A compound that 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