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Roasting or calcination?

Exercise and reference answers

Items
  1. Item
    Sulphide ore used
    Category
    Roasting
  2. Item
    Excess air
    Category
    Roasting
  3. Item
    ZnS to ZnO
    Category
    Roasting
  4. Item
    Carbonate ore used
    Category
    Calcination
  5. Item
    Limited air
    Category
    Calcination
  6. Item
    ZnCO3 to ZnO
    Category
    Calcination
Categories
  1. Item
    Roasting
  2. Item
    Calcination
Instructions
Tap a description, then tap the process it names.

Explanation

_Source: syllabus Science Ch3 Metals and Non metals, 3.4.1 Extraction of Metals_
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