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

Fundamentals of Chemistry MCQ with Answers PDF Download – Test 2

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The "Fundamentals of Chemistry MCQ" App Download (Android & iOS): Ca on losing 2 electrons becomes; MCQ with answers: ca^-1, ca^-2, ca⁺², and ca^-2. Practice Chemical Calculations MCQ Questions, download Apple Book (Free Chapter) to build chemistry study confidence.

Fundamentals of Chemistry MCQ – Practice Test 2 PDF Download

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

Electrochemistry MCQs

Physical States of Matter MCQs

Fundamentals of Chemistry MCQs

Chemical Reactivity MCQs

Structure of Atoms MCQs

Solutions MCQs

Structure of Molecules MCQs

Periodic Table and Periodicity MCQs

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