Question

1. What is an amalgam? Give an example.
2. What is the role of limestone in the extraction of iron?
3. What are antihistamines?
4. Why is glass called a supercooled liquid?

Answer 1

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• The definition of an amalgam is a mixture of metals and mercury, which can be man-made or can be naturally occurring.

• An example of an amalgam is a mixture of silver and mercury which is used as a dental filling.

• Any alloy of mercury with another metal or other metals. Silver amalgam is used as a dental filling.

Answer 2

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1. The definition of an amalgam is a mixture of metals and mercury, which can be man-made or can be naturally occurring.

An example of an amalgam is a mixture of silver and mercury which is used as a dental filling.

Any alloy of mercury with another metal or other metals. Silver amalgam is used as a dental filling.