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Is the preparation of alloys, a physical or chemical change?

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An alloy is a combination, either in solution or compound, of two or more elements, which has a combination of at least one metal, and where the resultant material has metallic properties. The result is a metallic substance with properties different from those of its components. read more

However, when alloys are formed from their metals, the chemical and physical properties of the alloy change relative to the parent metals due to a fundamental change in metallic bonding. Because metallic bonds break and form during the synthesis of an alloy, I tend to think of this as a chemical change Rather than physical mixing. read more

In chemistry, a physical change is when a substance undergoes some form of change that does not change the substance at the molecular level (i.e. a chemical change). Physical changes do not create new substances, as in a chemical change, but result in the same substance in a different form or shape. read more

It is a physical change as an alloy is a solid solution made from various metals. As you can still separate these different metals after the alloy is made it is a physical change and not a chemical change. read more

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Lab 4: Chemical and Physical Changes
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