Air and Atmosphere Multiple Choice Questions and Answers 6

Air and atmosphere MCQs, air and atmosphere quiz answers 6 to learn elementary education online courses. Practice air and processes multiple choice questions (MCQs), air and atmosphere quiz questions and answers for science class. Free e-learning tutorial on air and processes, gas properties and air, atmosphere: basic facts test prep for elementary school teaching certification.

Study elementary school science multiple choice questions (MCQs): air and processes, gas properties and air, atmosphere: basic facts, with choices argon, neon, nitrogen, and none of them for online elementary education degree. Free science study guide for online learning air and processes quiz questions to attempt multiple choice questions based test.

MCQ on Air and Atmosphere Worksheets 6 PDF Book Download

MCQ: Respiration takes place at/in

  1. all of these
  2. night
  3. day time
  4. evening


MCQ: Exhaled air contains 16% oxygen and about 4% of carbon dioxide, rest of 80% is

  1. neon
  2. argon
  3. nitrogen
  4. none of them


MCQ: Condensation point of nitrogen gas is

  1. (-156°C)
  2. (-166°C)
  3. (-196°C)
  4. (-186°C)


MCQ: Oxidation is accompanied by

  1. volume
  2. heat & light
  3. light
  4. heat


MCQ: Other than nitrogen and oxygen, composition of rest of gases is about

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