Basic Chemistry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Basic Chemistry, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Basic 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 Basic Chemistry mcq questions that explore various aspects of Basic Chemistry problems. Each MCQ is crafted to challenge your understanding of Basic Chemistry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Basic Chemistry MCQs are your pathway to success in mastering this essential Chemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Basic 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 Basic Chemistry knowledge to the test? Let's get started with our carefully curated MCQs!

Basic Chemistry MCQs | Page 7 of 45

Q61.
Phenomenon of isotopy was discovered by
Discuss
Answer: (c).Soddy
Q62.
Molecular formula is determined by multiplying n with
Discuss
Answer: (d).empirical formula
Q63.
Number of atoms or molecule present in one molar mass of an entity is known as
Discuss
Answer: (c).Avogadro's number
Q64.
Units by which hydrogen atom is lighter than hemoglobin is
Discuss
Answer: (d).68000
Q65.
1 atomic mass unit is equal to
Discuss
Answer: (a).1.661x10-27
Q66.
Sulphur has charge of
Discuss
Answer: (b).−2
Q67.
One molecule of water contains oxygen atoms, which are

a.

3

b.

2

c.

4

d.

1

Discuss
Answer: (d).1
Q68.
Branch of chemistry showing quantitative relationship between reactants and products is
Discuss
Answer: (c).stoichiometry
Q69.
Aluminium has charge of positive

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q70.
Masses of atoms or molecules expressed in grams is known as
Discuss
Answer: (a).Molar mass