The oil used in the froth flotation method for the purification of ore is:

coconut oil

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olive oil

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pine oil

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castor oil

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Solution

The correct option is B pine oil
In froth floatation method, pine oil is used for the purification of ore.

Pine oil is added in the froth flotation method to create froath or bubble so that metal can be purify easily because pine oil prevents the ore from gangue for furthur mixing.

Option C is correct.

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