Class 9 Chemistry MCQs – Practice Test 2 (Chapter 3)

Fundamentals of Chemistry MCQ with Answers PDF – Test 2

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Fundamentals of Chemistry MCQ PDF Download – Test 2

MCQ 6: If 9.05 moles of ozone is formed in a storm then the mass of ozone is:

435g
450g
434.4g
480g

MCQ 7: Ca on losing 2 electrons becomes:

Ca^-2
Ca^-1
Ca⁺²
Ca^-2

MCQ 8: Biochemistry deals with:

physical changes in living organisms only
chemical changes in living organisms only
genetically changes in living organisms
physical and chemical changes in living organisms

MCQ 9: The mass number of an atom is:

number of protons only
number of neutrons only
number of electrons
number of protons and neutrons

MCQ 10: A mole of any substance contains:

6.022 * 10²² particles
6.022 * 10²³ particles
6.022 * 10²⁴ particles
6.022 * 10²⁵ particles

Class 9 Chemistry Notes App & e-Book – Fundamentals of Chemistry Exam Prep

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Fundamentals of Chemistry MCQs

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