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Biology · PYQ NEET UG 2018

हिन्दी

In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?

  1. Fe
  2. Cl
  3. Carbon
  4. Oxygen

Correct answer · Option 2

Cl

Explanation

Chlorine free radicals (Cl) released from CFCs act as catalysts in the degradation of ozone to molecular oxygen in the stratosphere.

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