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RRB Junior Engineer / DMS / CMA 2019 · Question 2830 of 3719

Which of the following is a chemical change?

  1. AMelting of ice to give water
  2. BCombustion of Liquefied Petroleum Gas (LPG)Correct
  3. CBoiling of water to give water vapour
  4. DDissolution of salt in water

Answer: B. Combustion of Liquefied Petroleum Gas (LPG)

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (2-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q2829View full paper (3719 questions)Q2831 →

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