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Question
Alloys generally have which of these characteristics?
Alloys generally have which of these characteristics?
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Solution
The correct option is C Low melting point and low conductivity
An alloy is a mixture of two or more metals or a metal and a non-metal. The electrical conductivity and melting point of an alloy is generally lesser than that of pure metals. For example, brass, an alloy of copper and zinc (Cu and Zn) and bronze, an alloy of copper and tin (Cu and Sn) are not good conductors of electricity whereas copper is widely used for making electrical circuits as it is an excellent conductor.
Similarly, solder, an alloy of lead and tin (Pb and Sn) has a low melting point and is used for welding electrical wires together.
An alloy is a mixture of two or more metals or a metal and a non-metal. The electrical conductivity and melting point of an alloy is generally lesser than that of pure metals. For example, brass, an alloy of copper and zinc (Cu and Zn) and bronze, an alloy of copper and tin (Cu and Sn) are not good conductors of electricity whereas copper is widely used for making electrical circuits as it is an excellent conductor.
Similarly, solder, an alloy of lead and tin (Pb and Sn) has a low melting point and is used for welding electrical wires together.
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