pls tell fast tommorrow is my exam.

Asked by srprusty | 4th Jan, 2010, 06:41: PM

Expert Answer:

Impurities present along with ores are called gangue .Ores mined from the earth are usually contaminated with large amounts of impurities such as soil, sand, etc.

Answered by  | 5th Jan, 2010, 09:19: AM

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