Chemistry PYQ 234 of 291 · Everyday Chemistry

Brass is an alloy of

  1. ACopper and Nickel
  2. BNickel and Zinc
  3. CCopper and Zinc
  4. DIron and Nickel

47th BPSC Prelims 2005BPSC CDPO Prelims 2018

Show answer and explanation

Correct answer: (c) Copper and Zinc

Explanation

Brass is an alloy of copper (about 60–70%) and zinc (about 30–40%). It is harder than copper, resists corrosion and is used for utensils, taps, musical instruments and cartridge cases.

Compare bronze (copper and tin) and German silver (copper, zinc and nickel).

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