Class 9 Online Courses

Chapter 3: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 3

Fundamentals of Chemistry MCQ (Multiple Choice Questions) PDF - 2

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The MCQs: If 9.05 moles of ozone is formed in a storm then the mass of ozone is, "Fundamentals of Chemistry" App Download Android & iOS (Free) with answers 450g, 435g, 434.4g and 480g to learn online certificate courses. Practice chemical calculations quiz questions, download Apple Book (Free Sample) for distance learning.

Fundamentals of Chemistry Questions & Answers PDF Download: MCQ Quiz 2

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

A) 435g
B) 450g
C) 434.4g
D) 480g

MCQ 7: Ca on losing 2 electrons becomes

A) Ca-2
B) Ca-1
C) Ca+2
D) Ca-2

MCQ 8: Biochemistry deals with

A) physical changes in living organisms only
B) chemical changes in living organisms only
C) genetically changes in living organisms
D) physical and chemical changes in living organisms

MCQ 9: The mass number of an atom is

A) number of protons only
B) number of neutrons only
C) number of electrons
D) number of protons and neutrons

MCQ 10: A mole of any substance contains

A) 6.022 * 1022 particles
B) 6.022 * 1023 particles
C) 6.022 * 1024 particles
D) 6.022 * 1025 particles

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