Question

which method is used to remove tin stone from iron tungstate?

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Answer 1

Answer:

gravity separation and flotation

Explanation:

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Answer 2

The magnetic separation method is used to remove the tin stone (cassiterite) from iron tungstate (Wolframite).

Ores that contain magnetic impurities or are magnetic on their own can be concentrated by this process. For example, cassiterite itself, which is a tin ore,  is not magnetic but contains magnetic impurities such as ferrous tungstate and manganese tungstate.

Wolframite is attracted to the magnet and falls beneath the magnet, while cassiterite separates from the magnet.

Electromagnetic separation is the process of removing magnetic material from non-magnetic material using an electromagnet, which moves along a conveyor, across a drum, or onto a rotating screen. This is a method of refining certain metals and ores to separate metals and oils.

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