Question

Which of the following material's expands when cooled? (A) Steel (B) Bronze (C) German silver (D) Zinc

Answer 1

Answer:

part C German silver is correct

Answer 2

Answer:

Brass is a metallic alloy that is made of copper and zinc.

Bronze is a metallic alloy that is made of copper and tin.

German silver a white alloy of nickel, zinc, and copper.

Therefore all have copper common.

Option C is correct.

Explanation:

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