Purpose of smelting of an one ore is –

Options

A. To oxidise it
B. To reduce it
C. To remove vaporisable impurities
D. To obtain an alloy

Answer

B

Explanation

Smelting is a process of reducing metal oxide to metal by means of coke or CO.
`Fe_(2)O_(3)+3C rarr 2Fe + 3CO`
`Fe_(2)O_(3) + 3CO rarr 2Fe + 3CO_(2)`