Chemistry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemistry, a fundamental topic in the field of General Knowledge. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemistry MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemistry mcq questions that explore various aspects of Chemistry problems. Each MCQ is crafted to challenge your understanding of Chemistry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace General Knowledge tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemistry MCQs are your pathway to success in mastering this essential General Knowledge topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemistry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemistry knowledge to the test? Let's get started with our carefully curated MCQs!

Chemistry MCQs | Page 6 of 9

Q51.
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is
Discuss
Answer: (a).5x/36
Q52.
The major constituent of air is
Discuss
Answer: (a).nitrogen
Q53.
The main chemical constituent of clay is
Discuss
Answer: (d).aluminium silicate
Q54.
The mineral containing both magnesium and calcium is
Discuss
Answer: (d).dolomite
Q55.
The metal does not give H2 on treatment with dilute HCL is
Discuss
Answer: (c).Ag
Q56.
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is
Discuss
Answer: (c).5 gram of molecule
Q57.
The most extensive, commercially useful source of thorium as monazite sand occurs in India at
Discuss
Answer: (b).Travancore coast
Q58.
The main active constituent of tea and coffee is
Discuss
Answer: (c).caffeine
Q59.
The maximum number of isomers for an alkene with molecular formula C4H8 is

a.

5

b.

4

c.

2

d.

3

Discuss
Answer: (b).4
Q60.
The hardest form of carbon is
Discuss
Answer: (c).diamond
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