Atmosphere Composition MCQs Quiz and Answers Tests pdf Download

Practice atmosphere composition MCQs in chemistry quiz for test prep. The atmosphere quiz questions has multiple choice questions (MCQ) with atmosphere composition test, answers as the atmosphere consists of, answer key with choices as gases, water vapors, chemicals and both a and b for competitive exam preparation worksheets. Free chemistry revision notes to learn atmosphere composition quiz with MCQs to find questions answers based online tests.

MCQs on Atmosphere Composition Quiz pdf Download

MCQ. Atmosphere consists of

  1. gases
  2. water vapors
  3. chemicals
  4. both A and B


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

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