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Metallurgy — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryMetallurgy1 Mark
MCQ
An unwanted earthly material associated with ore as impurity is known as:
  • A
    Gangue
  • B
    Flux
  • C
    Froth
  • D
    None of these
✓

Answer

A. Gangue
Explanation: The unwanted material or impurities in the form of sand, rock or any other material that surrounds the mineral in an ore deposit is known as gangue.

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