Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry Exam MCQs – Practice Test 4 (Chapter 10)

The Atmosphere Notes Questions with Answers PDF Download – Test 4

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The The atmosphere Notes Questions and Answers PDF (The Atmosphere Quiz Answers PDF e-Book) download Ch. 10-4 to study Class 10 Chemistry Course. Practice Atmosphere Composition MCQ PDF, The Atmosphere Quiz Questions and Answers to study online courses. The The Atmosphere Notes App to Download Free Class 10 Chemistry Notes App for atmosphere composition, meteorology, air pollutants, ozone depletion test prep for virtual online school.

The MCQ: The atmosphere consists of; "The Atmosphere Notes" App APK Download with answers: water vapors only, gases only, chemicals, and gases and water vapors to study online courses. Practice Atmosphere Composition MCQ Questions, download Kobo e-Book (Free Chapter) for online certifications.

The Atmosphere MCQs – Practice Test 4 PDF Download

MCQ: 16

The atmosphere consists of

  1. gases only
  2. water vapors only
  3. chemicals
  4. gases and water vapors
MCQ: 17

The atmospheric layer closest to the earth's surface is

  1. troposphere
  2. mesosphere
  3. stratosphere
  4. thermosphere
MCQ: 18

Ozone gas (O3) has

  1. unpleasant odor
  2. pleasant odor
  3. no odor
  4. orange color
MCQ: 19

The reformation of ozone in the stratosphere is powered by

  1. ultraviolet radiation
  2. atmospheric oxygen
  3. sunlight
  4. heat
MCQ: 20

Ozone (O?) comprises of

  1. one oxygen atom
  2. 2 oxygen atoms
  3. 3 oxygen atoms
  4. 4 oxygen atoms

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