Ozone Layer Depletion MCQs Quiz Online PDF Download

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General knowledge practice test MCQ: name of extremely effective fire extinguishing agent is with options helium, halon, halogens and argon problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning ozone layer depletion quiz with MCQs to practice test questions with answers. Ozone Layer Depletion Video

MCQs on Ozone Layer Depletion Quiz PDF Download

MCQ: Name of extremely effective fire extinguishing agent is

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


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

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


MCQ: Layer of atmosphere in which Ozone layer lies is

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


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

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


MCQ: Number of atoms in ozone molecules are

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