Ozone Layer Depletion MCQs Quiz Online PDF Download

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MCQs on Ozone Layer DepletionQuiz PDF Download

MCQ: Name of extremely effective fire extinguishing agent is

  1. helium
  2. halon
  3. halogens
  4. argon

B

MCQ: Chemical substance used in industry for cold cleaning, is known as

  1. methyl chloroform
  2. carbon tetrachloride
  3. halons
  4. hydrocarbons

A

MCQ: Layer of atmosphere in which Ozone layer lies is

  1. exosphere
  2. mesosphere
  3. troposphere
  4. stratosphere

D

MCQ: Montreal protocol to reduce production of chlorofluorocarbons was assigned in

  1. 1985
  2. 1986
  3. 1987
  4. 1982

C

MCQ: Number of atoms in ozone molecules are

  1. 2
  2. 3
  3. 4
  4. 1

B