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  9. Q734

RRB Technician (Grade I Signal + Grade III) 2024 · Question 734 of 1214

Which of the following statements is correct about the ozone?

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  1. ADecrease in the amount of ozone in the atmosphere is due to chlorofluorocarbons (CFC).Correct
  2. BIt is not poisonous.
  3. CIt is formed by combining only two atoms of oxygen.
  4. DIt causes blood cancer.

Answer: A. Decrease in the amount of ozone in the atmosphere is due to chlorofluorocarbons (CFC).

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 27 Dec Shift 3 (4:30 PM - 6:00 PM) (testpaper.org compilation) · memory-based

← Q733View full paper (1214 questions)Q735 →

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