Class 9 Online Courses

Chapter 7: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 7

Structure of Atoms Multiple Choice Questions (MCQ) PDF - 1

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Structure of Atoms MCQ Quiz PDF Download: Chemistry Test 1

MCQ 1: If n = 3 we are in

A) K shell
B) L shell
C) M shell
D) F shell

MCQ 2: Water that contains H-2 atoms is called

A) heavy water
B) light water
C) pure water
D) chlorinated water

MCQ 3: Electron revolves around the nucleus in orbits which have

A) variable energy
B) fixed energy
C) infinite energy
D) zero energy

MCQ 4: In Rutherford's experiment, α particles were deflected because of

A) electrostatic repulsion between α particles and positively charged part of atom
B) electrostatic attraction between α particles and positively charged part of atom
C) electrostatic repulsion between β particles and positively charged part of atom
D) electrostatic attraction between γ particles and positively charged part of atom

MCQ 5: The energy of an electron in orbit is proportional to

A) distance between shells
B) distance from nucleus
C) distance between two nuclei
D) positive charge inside nucleus

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10th Grade Chemistry App (Android & iOS)