Question

Define an alloy? How aalloys are prepared?

Answer 1

The various properties of a metal like
malleability.,ductility, strength, hardness, resistance to corrosion, appearance, etc,. can be improved by mixing other metals with it. This mixture of two or more metals is called an alloy. It can also be defined as a homogeneous mixture of two or more metals

An alloy is prepared by mixing the various metals in molten state in required proportions, and then colling their mixtures to the room temperature..

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Answer 2

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Alloys are homogeneous mixtures of metals and cannot be separated into their components by physical methods.

Even then an alloy is considered a mixture because:

I. It shows the properties of its constituents, and

II. It has a variable composition.

For example, brass is a homogeneous substance composed of copper and zinc, and cannot be separated into its constituents by physical methods.

Brass is considered a mixture because:

I. It shows the properties of its constituents, copper and zinc,

II. It has a variable composition (the amount of zinc in brass can vary from 20 to 35 percent.

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