Air and Atmosphere Multiple Choice Questions Test 2

Practice science quiz 2 on air and atmosphere MCQs, grade 6 air and processes multiple choice questions. Free learning guide has science worksheet with answering options air, gas, molecule and proton of multiple choice questions (MCQ) with air and processes quiz as breathing is a process that refers to inhaling and exhaling of for exam prep. Study to learn air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere - Quiz 2

MCQ. Breathing is a process that refers to inhaling and exhaling of

  1. gas
  2. air
  3. molecule
  4. proton


MCQ. Greenhouse gases and other harmful gases are bringing huge damage to atmosphere like

  1. acid rain
  2. global warming
  3. ozone hole
  4. all of them


MCQ. Process of burning under presence of oxygen is known as

  1. combustion
  2. reaction
  3. respiration
  4. production


MCQ. In desert areas, water vapor content is

  1. different
  2. higher
  3. low
  4. constant


MCQ. To perform fractional distillation of air, it must be liquefied and then purified to remove

  1. dust
  2. molecule
  3. atom
  4. rust