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  9. Q416

RRB Junior Engineer / DMS / CMA 2015 · Question 416 of 480

Which among the following is a displacement reaction?

  1. ACaCO3 ……. CaO + CO2
  2. B2H2 + O2 …………. 2H2O
  3. CPb + CuCl2 ……… PbCl2 + CuCorrect
  4. DC2H4 + H2 ………. C2H6

Answer: C. Pb + CuCl2 ……… PbCl2 + Cu

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 28-August Shift question paper with solutions — splessons.com · reliable-secondary

← Q415View full paper (480 questions)Q417 →

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