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The ratio of chromium to iron to carbon varies

among the different types of stainless steel.

Therefore, stainless steel is classified as

(1) a compound (3) a mixture

(2) an element (4) a substance

Verified Answer :

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The correct answer is option 3. Stainless steel is a mixture of different substances. Mixture is defined us a system that is made up of two or more substances which are mixed but are not chemically combined. In stainless steel, the components are not chemically combined.

Answer: mixture

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water \(H_2O\)

Element is a pure substance which is composed of atoms of similar elements. It can not be decomposed into simpler constituents using chemical reactions.Example: Copper \(Cu\)

Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present.Example: Alloys

As steel is made up of combination of carbon and chromium and are not present in any fixed ratio , steel is classified as a mixture.

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