Multiple choice

Which of the following is an incorrect statement regarding the extraction of metals?

  1. Extraction of gold is carried out by cyanide process.

  2. Iron is extracted by using carbon reduction method.

  3. Extraction of tin metal involves the carbon reduction process.

  4. Aluminium acts as a reducing agent in aluminothermite process.

  5. Copper is extracted from its ores by carbon reduction method.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Copper is extracted from its ores by self-reduction method.

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