Math List - I with List - II.

	List I (Metal)		List II (Ores)
(a)	Aluminium	(i)	Siderite
(b)	Iron	(ii)	Calamine
(c)	Copper	(iii)	Kaolinite
(d)	Zinc	(iv)	Malachite

Choose the correct answer from the options given below :

What is the correct order of the following elements with respect to their density?

Match List - I and List - II.

	List I		List II
(a)	Valium	(i)	Antifertility drug
(b)	Morphine	(ii)	Pernicious anaemia
(c)	Norethindrone	(iii)	Analgesic
(d)	Vitamin $${B_{12}}$$	(iv)	Tranquilizer

The correct shape and $$I - I - I$$ bond angles respectively in $$I_3^ - $$ ion are :