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  9. Q105

RRB Group D (Level-1 posts) 2025 · Question 105 of 386

A sample of brass is melted and poured into a mold to make a musical instrument. Which of the following correctly explains why brass is classified as a homogeneous mixture?

  1. AThe components of brass are uniformly distributed and cannot be distinguished visuallyCorrect
  2. BThe components of brass are chemically bonded and cannot be separated
  3. CBrass is made of only one type of atom and hence appears uniform
  4. DBrass is an example of a compound formed by the reaction of zinc and copper

Answer: A. The components of brass are uniformly distributed and cannot be distinguished visually

Official answer key verified. Detailed explanation coming soon.

Source: RRB Group D 2024 Question Paper PDF (Dec 21, 2025) (Shift 2) · official-answer-key

← Q104View full paper (386 questions)Q106 →

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