Ozone Layer Depletion MCQs Quiz Online PDF Book Download

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Practice environmental science test MCQs: name of extremely effective fire extinguishing agent is, with choices helium, halon, halogens, and argon for online colleges and universities admission test. Prepare assessment test for scholarships, online learning ozone layer depletion quiz questions for competitive assessment of colleges and universities majors. Ozone Layer Depletion Video

MCQ on Ozone Layer DepletionQuiz Book 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