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Define the terms 'alloy' and 'amalgam'. ...

Define the terms 'alloy' and 'amalgam'. Name the alloy used for welding electric wires together. What are its constituents ?

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An alloy is a homogeneous mixture of two or more metals or a metal and a non-metal, mixed in the molten state. Amalgam is an alloy of a metal with mercury.
Solder : Lead and tin.
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