Question

HELLO !!!!
Name the undesirable substance present in an ore...
need ur ANSWER​

Answer 1

impurities like gravels, slit , sand etc are present

Answer 2

Hi mate here is ur query...

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The undesirable substances like sand , slit , gravel , other impurities present in an ore ..

And the whole impurities

are called Gangue.

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Hope this will help you..

Good luck!!!