Question

Wolframite ore is separate from tin stone ore by the process of

Solution

Correct option is

Electromagnetic

Wolframite ore [FeWO4] is present in tin stone as impurities and it has same mass per unit volume as that of tin stone. So, it is separated by electromagnetic separator because wolframite is magnetic in nature, hence it gets attracted by magnet while tin stone does not.

SIMILAR QUESTIONS

Q1

One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is

Q2

When a metal is to be extracted its ore, if the gangue associated with the ore is silica, then

Q3

Which statement is correct?

Q4

Flux is used to remove

Q5

The final step for the extraction of copper from copper pyrite in Bessemer converter involves the reaction.

Q6

Auto-reduction process is used in the extraction of

Q7

Among the following groups of oxides, the group containing oxides that cannot be reduced by carbon to give the respective metal is

Q8

van-Arkel method of purification of metals involves converting the metal to a

Q9

A metal which is refined by poling is

Q10

Pb and Sn are extracted from their chief ore by