Multiple choice

Which of the following combinations of metal: chief ore-extraction method is not correctly matched?

  1. Iron: haematite-carbon reduction process

  2. Silver: argentite-cyanide process

  3. Chromium: chromite-aluminothermic process

  4. Lead: Galena-cyanide process

  5. Zinc: Sphalerite-froth flotation process
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The extraction of lead from its ore is done through various processes such as crushing and concentration through a froth flotation process.

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