1
Question
What
are alloys? Name an important alloy which contains some of the
lanthanoid metals. Mention its uses.
What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.
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Solution
An
alloy is a solid solution of two or more
elements in a metallic matrix. It can either be a partial solid
solution or a complete solid solution. Alloys are usually found to
possess different physical properties than those of the component
elements.
An
important alloy of lanthanoids is Mischmetal.
It contains lanthanoids (94−95%), iron (5%), and traces of S,
C, Si, Ca, and Al.
Uses
(1) Mischmetal
is used in cigarettes and gas lighters.
(2) It
is used in flame throwing tanks.
(3) It
is used in tracer bullets and shells.
An alloy is a solid solution of two or more elements in a metallic matrix. It can either be a partial solid solution or a complete solid solution. Alloys are usually found to possess different physical properties than those of the component elements.
An important alloy of lanthanoids is Mischmetal. It contains lanthanoids (94−95%), iron (5%), and traces of S, C, Si, Ca, and Al.
Uses
(1) Mischmetal is used in cigarettes and gas lighters.
(2) It is used in flame throwing tanks.
(3) It is used in tracer bullets and shells.
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