Class 9 Chemistry Exam MCQs – Practice Test 4 (Chapter 3)

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Fundamentals of Chemistry MCQs – Practice Test 4 PDF Download

MCQ 16: The smallest part of an element that cannot exist as a free state is:

ion
charge
atom
molecule

MCQ 17: A free radical has:

unpaired electrons
paired electrons
no electrons
even number of electrons

MCQ 18: Branch of chemistry dealing with the plantation and overcoming greenhouse effect is:

Biochemistry
Organic chemistry
Environmental chemistry
Inorganic chemistry

MCQ 19: 1 mole of a substance refers to:

molar mass
atomic mass
electron mass
neutron mass

MCQ 20: The number of protons in the nucleus constitute it's:

atomic mass
atomic number
nucleon number
number of neutrons

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

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Structure of Molecules MCQs

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Fundamentals of Chemistry MCQs

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