Which of the following is a non-ferrous alloy?

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Multiple Choice

Which of the following is a non-ferrous alloy?

Explanation:
Non-ferrous alloys are metal mixtures that do not contain iron. Brass fits this idea because it’s a copper–zinc alloy, so it has no iron in its composition. That makes it non-ferrous and also clearly an alloy. Steel, on the other hand, is based on iron and carbon, so it’s ferrous. Aluminum is a non-ferrous metal itself, and it can be alloyed, but when asked for a non-ferrous alloy, brass is the clear example among the options. Nickel is a pure element here, not an alloy, so it doesn’t meet the alloy criterion.

Non-ferrous alloys are metal mixtures that do not contain iron. Brass fits this idea because it’s a copper–zinc alloy, so it has no iron in its composition. That makes it non-ferrous and also clearly an alloy. Steel, on the other hand, is based on iron and carbon, so it’s ferrous. Aluminum is a non-ferrous metal itself, and it can be alloyed, but when asked for a non-ferrous alloy, brass is the clear example among the options. Nickel is a pure element here, not an alloy, so it doesn’t meet the alloy criterion.

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