Class 9 Chemistry MCQs - Chapter 3

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

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The Book Fundamentals of chemistry Multiple Choice Questions (MCQs), Fundamentals of Chemistry MCQs PDF Download, Free Ch. 3-2 to learn class 9 chemistry online courses. Study Chemical Calculations Multiple Choice Questions and Answers (MCQs) PDF, fundamentals of chemistry quiz questions and answers to learn online schools courses. The Fundamentals of Chemistry MCQ App Download: Free educational app for chemical calculations, ions and free radicals, branches of chemistry, atomic and mass number, avogadro number and mole test prep for online school classes.

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 schools courses. Practice chemical calculations quiz questions, download Apple Book (Free Sample) for online 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

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

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