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Class 9 Chemistry Quiz Questions Answers
Class 10 Chemistry

Fundamentals of Chemistry Multiple Choice Questions 2 PDF Download eBook

Fundamentals of chemistry MCQ questions and answers, fundamentals of chemistry quiz answers PDF to practice grade 9 chemistry test 2 for online classes. Practice "Empirical and Molecular formulas" Multiple Choice Questions and Answers (MCQs), fundamentals of chemistry quiz questions and answers for online school classes. Learn chemical calculations, ions and free radicals, branches of chemistry, atomic and mass number, avogadro number and mole test prep for online certificate courses.

"If 9.05 moles of ozone is formed in a storm then the mass of ozone is" Multiple Choice Questions (MCQ) on fundamentals of chemistry with choices 450g, 435g, 434.4g, and 480g for online school classes. Free chemistry study guide for online learning empirical and molecular formulas quiz questions for distance learning.

Fundamentals of Chemistry MCQs Quiz 2 PDF Download eBook

MCQ: If 9.05 moles of ozone is formed in a storm then the mass of ozone is

  1. 435g
  2. 450g
  3. 434.4g
  4. 480g

C

MCQ: Ca on losing 2 electrons becomes

  1. Ca-2
  2. Ca-1
  3. Ca+2
  4. Ca-2

C

MCQ: Biochemistry deals with

  1. physical changes in living organisms only
  2. chemical changes in living organisms only
  3. genetically changes in living organisms
  4. physical and chemical changes in living organisms

D

MCQ: The mass number of an atom is

  1. number of protons only
  2. number of neutrons only
  3. number of electrons
  4. number of protons and neutrons

D

MCQ: A mole of any substance contains

  1. 6.022 * 1022 particles
  2. 6.022 * 1023 particles
  3. 6.022 * 1024 particles
  4. 6.022 * 1025 particles

B

Grade 9 Chemistry Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key