Class 9 Online Courses

Chapter 3: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 3

Fundamentals of Chemistry Multiple Choice Questions (MCQ) PDF - 4

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Fundamentals of Chemistry Questions & Answers PDF Download: MCQ Quiz 4

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

A) ion
B) charge
C) atom
D) molecule

MCQ 17: A free radical has

A) unpaired electrons
B) paired electrons
C) no electrons
D) even number of electrons

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

A) Biochemistry
B) Organic chemistry
C) Environmental chemistry
D) Inorganic chemistry

MCQ 19: 1 mole of a substance refers to

A) molar mass
B) atomic mass
C) electron mass
D) neutron mass

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

A) atomic mass
B) atomic number
C) nucleon number
D) number of neutrons

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10th Grade Chemistry App (Android & iOS)