Grade 10 English MCQs

The Atmosphere Multiple Choice Questions Test 3 Tests pdf Download

Practice chemistry test 3 on the atmosphere MCQs, grade 10 air pollutants multiple choice questions and answers. Air pollutants revision test has chemistry worksheets, answer key with choices as pleasant odor, unpleasant odor, no odor and orange color of multiple choice questions (MCQ) with air pollutants quiz as ozone gas (o3) has for competitive exam prep. Free chemistry study guide to learn air pollutants quiz to attempt multiple choice questions based test.

MCQs on The Atmosphere Quiz pdf Download Worksheets 3

MCQ. Ozone gas (O3) has

  1. unpleasant odor
  2. pleasant odor
  3. no odor
  4. orange color


MCQ. Solvents used for cleaning electronic circuit boards are

  1. chlorofluorocarbons
  2. carbons
  3. fluorides
  4. grease


MCQ. Amount of Nitrogen (N2) present in dry air is

  1. 20%
  2. 78%
  3. 48%
  4. 68%


MCQ. At every 1 km increase in altitude, air gets about

  1. 10°C cooler
  2. 6.5°C hotter
  3. 6.5°C cooler
  4. 20°C cooler


MCQ. Atmospheric layer closest to earth's surface is

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