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What is an alloy? State the constituents of solder. Which property of solder makes itsuitable for welding electrical wires?​

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Answer:

What is an Alloy?

An alloy is a combination of metals and of a metal or another element. Alloys are defined by a metallic bonding CHARACTER. An alloy may be a solid solution of metal elements or a mixture of metallic phases. Intermetallic compounds are alloys with a defined stoichiometry and crystal structure.

The constituents of solder:

The constituents which make up solder alloy are lead and tin. It has a low MELTING point but has excellent electrical conductivity, so it is used for soldering of electrical wires.

Property of solder makes it  suitable for welding electrical wires:

Solder is an alloy of lead and tin. It is used for welding electric wires because of its low melting point.

Solder is an alloy of lead and tin ( Pb and Sn ) and has low melting point. Therefore it is used for welding electrical wires together.

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