Purification And Characterisation Of Organic Compounds Question 109

Question: Purpose of smelting of an ore is

[MP PMT 1990, 2001; Kurukshetra CEE 1998; RPMT 2000]

Options:

A) To oxidise it

B) To reduce it

C) To remove vaporisable impurities

D) To obtain an alloy

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Answer:

Correct Answer: B

Solution:

Smelting is a process of reducing metal oxide to metal by means of coke or $ CO $ .

$ Fe_2O_3+3C\to 2Fe+3CO $

$ Fe_2O_3+3CO\to 2Fe+3CO_2 $