question_answer

Select the CORRECT match for the metals and their ores, from which metal can be extracted conveniently and economically.

	Metals		Ores
I.	\[Al\]	a.	Sphalerite
II.	\[Zn\]	b.	Haematite
III.	\[Cu\]	c.	Bauxite
IV.	\[Fe\]	d.	Malachite

 

A) I - b                II - c             III - a      IV - d

B) I - c                II - a              III - d        IV - b

C) I - a                II - d              III - b        IV - c

D) I - d                II - b              III - c        IV - a