Class 9 Online Courses

Chapter 4: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 4

Periodic Table and Periodicity Multiple Choice Questions PDF Download - 5

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Periodic Table and Periodicity Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Physical properties depend on the

A) size of atom
B) size of proton
C) size of neutron
D) no. of electrons

MCQ 22: Elements that lie in the same column have

A) similar properties
B) different properties
C) same physical properties
D) different chemical properties

MCQ 23: As we go from left to right across the period, the electron affinity

A) increases
B) decreases
C) remains same
D) all of above

MCQ 24: Elements are arranged in order of

A) decreasing atomic number
B) decreasing atomic mass
C) increasing atomic number
D) increasing atomic mass

MCQ 25: The decrease in the force of attraction between valence electrons and nucleus by inner electrons is called

A) screening effect
B) shielding effect
C) photoelectric effect
D) dopler effect

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Periodic Table and Periodicity App (Android & iOS)

Periodic Table and Periodicity App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

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10th Grade Chemistry App (Android & iOS)

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College Chemistry App (Android & iOS)