Non-ferrous metals are defined as which of the following?

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Multiple Choice

Non-ferrous metals are defined as which of the following?

Explanation:
Non-ferrous metals are metals that do not contain iron. This matters because metals with iron (ferrous metals) can rust and are often magnetic, while non-ferrous metals avoid these issues and typically offer other advantages such as lighter weight, better corrosion resistance, or superior electrical and thermal conductivity. Examples include aluminium, copper, zinc, tin, lead, and the precious metals. The definition focuses on excluding iron, not on being alloys or on being non-metals.

Non-ferrous metals are metals that do not contain iron. This matters because metals with iron (ferrous metals) can rust and are often magnetic, while non-ferrous metals avoid these issues and typically offer other advantages such as lighter weight, better corrosion resistance, or superior electrical and thermal conductivity. Examples include aluminium, copper, zinc, tin, lead, and the precious metals. The definition focuses on excluding iron, not on being alloys or on being non-metals.

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