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Question

Misch metal is an alloy of
  1. Lanthanide metals (90)% + Iron (5)% + Traces of S, C, Si, Ca and Al (5)%
  2. Lanthanide metals (95-96)% + Iron (3)% + Traces of S, C, Si, Ca and Al (1)%
  3. Lanthanide metals (94-95)% + Iron (4)% + Traces of S, C, Si, Ca and Al (1)%
  4. Lanthanide metals (94-95)% + Iron (5)% + Traces of S, C, Si, Ca and Al


Solution

The correct option is D Lanthanide metals (94-95)% + Iron (5)% + Traces of S, C, Si, Ca and Al
Misch metal contains Lanthanide metals (94-95)% + Iron (5)% + Traces of S, C, Si, Ca and Al. The maximum amount of Mischmetal is used to make Magnesium based alloy called pyrophoric alloy.

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