Q. Helium gas is used in gas balloons instead of hydrogen gas as it is

  • (A) lighter than hydrogen
  • (B) more abundant than hydrogen
  • (C) more stable
  • (D) non-combustible
✅ Correct Answer: (D) non-combustible

Published by Ram Sharma ⭐ 193.88K Points at 18-Mar-2022 08:05 pm in Science

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