question_answer 37)

What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.

Answer:

An alloy is a homogeneous mixture of two or more metals. A well known alloy containing lanthanoid metals is mischmetal which consists of 95% of lanthanoid metals, 5% iron and traces of S, C, Ca and Al. Uses. Mischmetal is used in Mg-based alloy to produce bullets, shell and lighter flint.