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  • General Chemistry Fundamentals
  • Heating the ore in the absence of air below its melting p...
Multiple choice

Heating the ore in the absence of air below its melting point is called ____.

  1. gravity separation

  2. magnetic separation

  3. smelting

  4. calcination

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calcination is the process of heating an ore in the absence of air to remove volatile impurities or moisture, typically below the melting point.

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