Explore topic-wise MCQs in Chemistry Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Gravitational force = Gm1m2/r2.

A. True
B. False
Answer» B. False
Discussion
2.

Pick out the isobar of 18Ar40.

A. 12Mg24
B. 26Fe58
C. 19K40
D. 28Ni64
Answer» D. 28Ni64
Discussion
3.

Find out the number of neutrons, protons, and electrons of 17Cl37 respectively.

A. 20, 20, 17
B. 17, 17, 20
C. 20, 17, 17
D. 17, 17, 17
Answer» D. 17, 17, 17
Discussion
4.

If the number of protons and neutrons of an element is 13 and 14 respectively, then what’s the atomic number(Z) and mass number(A)?

A. 13, 13
B. 13, 27
C. 14, 13
D. 27, 14
Answer» C. 14, 13
Discussion
5.

Which of the following statements you think is wrong regarding α particle scattering effect?

A. α particles mostly move through the gold foil having zero deflection
B. A small fraction are deflected
C. One in Twenty Thousand turns 180°
D. The thickness of the gold foil is about 100μm
Answer» E.
Discussion