Class 9 Chemistry MCQs - Chapter 3

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

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The MCQ: If 9.05 moles of ozone is formed in a storm then the mass of ozone is; "Fundamentals of Chemistry" App (Android & iOS) with answers: 450g; 435g; 434.4g; 480g; to learn online schools courses. Practice Chemical Calculations MCQ Questions, download Apple Book (Free Sample) for online learning.

Fundamentals of Chemistry MCQs with Answers PDF Download: 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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