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Metallurgy bingo

Exercise and reference answers

Clues and terms
  1. Clue
    Mineral worth mining.
    Item
    Ore
  2. Clue
    Earthy waste with ore.
    Item
    Gangue
  3. Clue
    Used for sulphide ores.
    Item
    Froth float
  4. Clue
    Heating without air.
    Item
    Calcination
  5. Clue
    Heating in air supply.
    Item
    Roasting
  6. Clue
    Added to make slag.
    Item
    Flux
  7. Clue
    Floats on the metal.
    Item
    Slag
  8. Clue
    Settles under anode.
    Item
    Anode mud
  9. Clue
    Purifies germanium.
    Item
    Zone melt
Instructions
Read each clue and tap the term it describes.

Explanation

_Source: syllabus Chemistry Part I, Class XII, General Principles and Processes of Isolation of Elements._
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