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biology

A non-metallic mineral used in abrasives is 

A

Asbestos

B

Corundum

C

Sulphur

D

Fluorspar

Answer

Abrasives are materials that are used to finish or polish a piece through rubbing. The most common natural abrasives used commercially are enamel finishes, plastic and tile. These are used for for polishing and cleaning metal. A non-metallic mineral used in abrasives is corundum. It is a crystalline form of aluminium oxide.
Thus, the correct answer is 'Corundum.'

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