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The unwanted earthy material mixed with an ore is called:

AGrate
BGangue
CGauge
DGrain
Answer & Solution
Correct answer: B. Gangue
1. An ore as mined is never pure. 2. The waste rock around the mineral has a name. 3. That waste is gangue. _Source: syllabus Chemistry Part I, Class XII, General Principles and Processes of Isolation of Elements._
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