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 12 of 45

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Q111.
Aluminium has charge of positive

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q112.
Masses of atoms or molecules expressed in grams is known as

a.

Molar mass

b.

empirical mass

c.

weight

d.

empirical mass

Discuss
Answer: (a).Molar mass
Q113.
Number of subatomic particles in atoms is more than

a.

200

b.

67

c.

89

d.

100

Discuss
Answer: (d).100
Q114.
Word atom was derived from

a.

Atama

b.

Atomos

c.

atim

d.

atme

Discuss
Answer: (b).Atomos
Q115.
Lysine and arginine are left behind in peptides bonds and are known as

a.

amylase

b.

trypsin

c.

urease

d.

lactase

Discuss
Answer: (c).urease
Q116.
Hydrolysis of peptides is aided through the enzyme

a.

urease

b.

trypsin

c.

amylase

d.

thrombokinase

Discuss
Answer: (b).trypsin
Q117.
The substrate must have the correct

a.

size to fit the active site of the enzyme only

b.

shape to fit the active site of the enzyme only

c.

order to fit in the active site

d.

size and shape to fit the active site of the enzyme

Discuss
Answer: (d).size and shape to fit the active site of the enzyme
Q118.
Of the given series of actions, action performed first is the

a.

substrate diffuses to the active site

b.

enzyme-substrate complex is binded

c.

amino acids may acts as nucleophiles

d.

products diffuse away from the active site

Discuss
Answer: (a).substrate diffuses to the active site
Q119.
Enzyme activity refers to the number of

a.

moles of enzymes converted to product per minute

b.

moles of substrate converted to product per minute

c.

substrate molecules reacted per enzyme per minute

d.

enzyme reacted on substrate molecule per minute

Discuss
Answer: (b).moles of substrate converted to product per minute
Q120.
The turnover number refers to the number of

a.

moles of enzymes converted to product per minute

b.

moles of substrate converted to product per minute

c.

substrate molecules reacted per enzyme per minute

d.

moles of enzymes consumed in the reaction

Discuss
Answer: (c).substrate molecules reacted per enzyme per minute
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