Multiple choice

Manganese and Chromium metals are extracted by the reduction of their oxides with

  1. Aluminium Powder

  2. Carbon

  3. Iron

  4. All of the above

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

Manganese and chromium oxides are reduced to their respective metals using aluminium powder as a strong reducing agent; this is a thermite-type reaction.