Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.

1.

Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.

[A].	metalliferrous ores
[B].	non-metallic ores
[C].	basic slags
[D].	asbestos & mica

Answer: Option A

Explanation:

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