State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · Question 95

Which of the following are the constituents of brass?

  1. Iron and zinc
  2. Copper and nickel
  3. Iron and copper
  4. Zinc and copper
  5. None of the above / More than one of the above
Show answer & explanation

Answer: (D) Zinc and copper

Explanation

Brass = copper + zinc; bronze = copper + tin.

  • (A) Incorrect

    Wrong: not brass.

  • (B) Incorrect

    Wrong: that is cupronickel.

  • (C) Incorrect

    Wrong: not brass.

  • (D) Correct

    Correct: brass is an alloy of copper and zinc.

  • (E) Incorrect

    Wrong: only one of the options A–D is correct.