Basic Chemistry Quiz Questions for Class 10

QUIZ & MCQs / By Eguardian India / 10/05/2025

Basic Chemistry Questions for Class 10 MCQ Online Test for the preparation of CBSE, State boards, ICSE, and Competitive exams.

This test is designed to assess students’ understanding of fundamental concepts in chemistry, covering topics such as elements, compounds, chemical reactions, and the periodic table.

By participating in this online test, students can evaluate their knowledge, reinforce their learning, and prepare effectively for exams.

Table of Contents

Why Take the Chemistry Quiz

Chemistry is a core subject that plays a crucial role in understanding the composition, structure, properties, and changes of matter. This quiz offers students an opportunity to test their comprehension of basic chemistry principles in a convenient and interactive format.

By engaging with quiz questions, students can identify areas of strength and weakness, thereby facilitating targeted study and improvement.

What to Expect in the Quiz

Our Basic Chemistry Quiz comprises multiple-choice questions (MCQs) covering a diverse range of topics relevant to Class 10 chemistry curriculum.

From understanding the structure of atoms to predicting chemical reactions, each question is carefully crafted to assess students’ knowledge and problem-solving skills in chemistry. The quiz is designed to be engaging, informative, and reflective of the core concepts in chemistry.

How to Use the Quiz

Students can take the Chemistry Quiz as a self-assessment tool to gauge their understanding of basic chemistry concepts. Simply navigate through the questions, select the most appropriate answer for each, and submit your responses.

After completing the quiz, you will receive immediate feedback on your performance, allowing you to identify areas for further review and consolidation.

Created by Eguardian India

Basic Chemistry Quiz Questions for Class 10

1 / 24

The molecular formula of a compound in (CO)x and its vapour density is 70. Then the possible value of x is

2 / 24

If an acid having the construction as 0.01 N is diluted to 1000 times then the PH of that acid is?

3 / 24

Covalent linkages is formed by

Transfer as well as mutual sharing of electrons

Mutual sharing of electrons

Transfer of electrons

None of these

4 / 24

Molecular weight of a substance is equivalent to

Sum of equivalent wt. of each element present in the given substance

Sum of At.wt of each element with their respective number present in each compound

Sum of atomic wt. of each element present in the given substance

None of these

5 / 24

Which of the following is a neutral oxide

CO2

N2O5

NO2

6 / 24

Number of groups present in the long form of the periodic table are

7 / 24

Deacon’s process is used for the manufacturing of

Hydrochloric acid (HCL)

chlorine

Sulphuric acid

Bleaching powder

8 / 24

In which of the following preparation Hydrogen is not used?

Synthesis of water gas

Hydrogenetion of oil

preparation of Ammonia (NH3)

all of these

9 / 24

When a burning splinter is brought near the gas jar containing hydrogen gas a poping sound is observed. It is due to

endothermic

exothermic

exothermic & endothermic

None of these

10 / 24

Atom that can neither gain nor lose electrons is said to be

Non – metalic

Metalic

Atomsperic

an Inert

11 / 24

Oxygen has two isotopes O¹⁶ & O¹⁸. If the percentage of O¹⁶ is 90 then the atomic weight of oxygen will be

20.1

16.2

12 / 24

Which one of the following is known as “King of Chemicals?”

Phosphoric acid

Nitric acid

Sulphuric acid

Hydrochloric acid

13 / 24

Which of the following is used as a moderator in a nuclear reactor?

Heavy Hydrogen

Active Hydrogen

Heavy water

Water

14 / 24

Skin becomes yellow in Conc. H₂SO₄as

The proteins are converted into xantho proteins

Nitro – cellulose is formed

HNO3 acts as a dehydrating agent

HNO3 acts as an oxidizing agent

15 / 24

When chlorine gas is passed through NaoH, it forms

Sodium hypochlorite

Sodium chlorate

Sodium chloride

All of these

16 / 24

Which one of the following methods is considered to be the best method for the removal of temporary hardness of water?

Permutti’s process

Vesence process

Clark’s process

Caylon’s process

17 / 24

The I.U.P.A.C. name of the compound CH₂ CH₂ CH (CH₃)₂ is

2 methyl butene

3 methyl butane

N – Propene

None of these

18 / 24

To protect the metal from corrosion it is sometimes coated with a thin layer of Al₂O₃(Aluminium oxide) and the process is called

Aluminizing

Electroforming

Electroplating

None of these

19 / 24

Alloy is a homogenous mixture of

Metals as well as non metals

A metal & a non metal

Two or more metals

All of these

20 / 24

Alum is added with muddy water to

Make the sedimsitation process quick

Make filtration of milk

Kill bactaria

None of these

21 / 24

The common gas used in our refrigerator

water gas

freon

producer gas

maresh gas

22 / 24

The glasses which is used for making lenses and prisms for optical instrument

Tint glass

Croked glass

Pyrex glass

Hard glass

23 / 24

In the soda fire extinguishers due to

formation of water as a product

presence of sodium bicarbonate

formation of CO2

None of these

24 / 24

Fuel in Automobiles is a mixture of

saturated & unsaturated hydrocarbons

crude oil

unsaturated hydrocarbons

saturated hydrocarbons

Your score is

The average score is 0%

Conclusion

By participating in the Basic Chemistry Quiz for Class 10 MCQ Online Test, students can enhance their understanding of fundamental chemistry concepts and build confidence in their knowledge and skills.

We encourage students to approach this quiz with curiosity, attentiveness, and a willingness to learn, as it offers a valuable opportunity to reinforce their understanding of chemistry principles and excel in their academic pursuits. Let’s embark on this educational journey together and unlock the mysteries of chemistry!

Read More:

Why Take the Chemistry Quiz

What to Expect in the Quiz

How to Use the Quiz

Conclusion

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