Acids, Bases And Salts Class 10 MCQ Quiz – Test Your Knowledge!

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Are you ready to test your understanding of Acids, Bases, and Salts? This Chapter 2 Science MCQ Quiz is designed as per the CBSE syllabus and will help you revise key concepts quickly. Let's see how many you get right!

Class 10 Science Chapter 2 Acids, Bases and Salts MCQs

Chapter 2: Acids, Bases and Salts

1 / 15

In a very polluted city, water from the first rain in the monsoon season is collected in a beaker. Which of the following changes will it have on a litmus paper?

Turn red litmus blue.

Both A and B

It will have no effect on the litmus paper.

Turn blue litmus red

2 / 15

Which of the following reactions is a neutralization reaction?

MgO + H2O → Mg(OH)2

4Na + O2 → 2Na2O

Fe + 2HCl → FeCl2 + H2

HNO3 + NaOH → NaNO3 + H2O

3 / 15

Some activities cause the soil and water resources in that area to become acidic. Once these activities are stopped, the land has to be treated to enable plants to grow once again.

Which of the following should be added to the land to decrease the acidity permanently and allow plants to grow once again?

Calcium oxide which is basic.

Sodium chloride which is neutral.

Water which is neutral.

Dilute hydrochloric acid solution.

4 / 15

Which of the following salts does not contain water of crystallization?

Baking soda

Washing soda

Gypsum

Blue vitriol

5 / 15

Match the chemical substances given in column A with their appropriate application given in column B.

Column A	Column B
A. Bleaching powder	i. Preparation of glass
B. Baking Soda	ii. Production of H₂ and Cl₂
C. Washing Soda	iii. Decolorization
D. Sodium Chloride	iv. Antacid

A-ii, B-iv, C-i, D-iii

A-iii, B-iv, C-i, D-ii

A-iii, B-ii, C-iv, D-i

A-ii, B-i, C-iv, D-iii

6 / 15

A solution of a base with pH 12.1 is given.

Which of the following can be done to decrease its pH?

1. Add distilled water to it.

1. Add a solution of a different base with pH 8.7

1. Add a few drops of an acid with an unknown pH

Only 1

Any of 1, 2, and 3

Only 1 and 2

Only 3

7 / 15

Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper and compared the colors. Which of the following is the correct conclusion?

Acetic acid is a strong acid.

Acetic acid dissociates completely in an aqueous solution.

pH of acetic acid is less than that of hydrochloric acid.

pH of acetic acid is more than that of hydrochloric acid.

8 / 15

Identify the basic salt from the following salts:

NaNO3

NH4Cl

KCl

Na2CO3

9 / 15

Which of the following are correctly matched?

1. Common salt	Formed by sodium hydroxide and hydrochloric acid
2. Brine	The aqueous solution of Sodium chloride
3. Chlor-alkali process	Formation of Sodium chloride

1 and 2

1, 2 and 3

1 and 3

2 and 3

10 / 15

Meena rubbed the yellow-colored turmeric stain on his son’s shirt with soap. She observed the color of the stain became:

Also See: From The Diary of Anne Frank: Class 10 Important Questions and Answers for Exam Preparation

White

Reddish brown

Pink

Remained yellow

11 / 15

Payal has to arrange the following in decreasing order of hydroxide ion concentration.

Wine (pH 4.0), Milk of magnesia (pH 10.5), Blood (pH 7.4)

Which of the following arrangements is correct?

Wine → Blood → Milk of Magnesia

Wine → Milk of magnesia → Blood

Milk of Magnesia → Blood → Wine

Blood → Milk of magnesia → Wine

12 / 15

The yellow color of turmeric changes to red on addition of soap solution. When substance P is added to turmeric, there is no change in color.

Which of the following is definitely true about substance P?

P is not a base

P is an acid

P is not a salt

P is a neutral substance

13 / 15

Which of the following are properties of acids?

1. They are bitter in taste.

1. They react with metals to produce hydrogen gas.

1. They are easily soluble in water.

Only P

Only P and R

Only Q and R

All – P, Q, and R

14 / 15

Mild non-corrosive basic salt is

NaOH

NaHCO3

NaCl

Ca(OH)2

15 / 15

Anand took four colorless solutions P, Q, R, and S, and performed the following tests.

	Solution P	Solution Q	Solution R	Solution S
With Methyl Orange	No change in color	Turns red	No change in color	No change in color
With Phenolphthalein	No change in color	No change in color	No change in color	Turns pink
With Red litmus	No change in color	No change in color	No change in color	Turns litmus blue
With Blue litmus	No change in color	Turns litmus red	No change in color	No change in color

What is the definite conclusion that Anand can reach?

Both P and R are neutral solutions.

Both Q and R are salt solutions

Both Q and S are basic solutions

Both P and S are salt solutions

Your score is

The average score is 57%

Complete all questions and check your leaderboard rank!

Pos.	Name	Score	Duration	Points
1	PK	100 %	58 seconds	15
2	Name	100 %	59 seconds	15
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Also See: Last One Month Strategy for CBSE Class 10 2026 Board Exam

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Acids, Bases and Salts Class 10 MCQ Quiz – Test Your Knowledge!

Class 10 Science Chapter 2 Acids, Bases and Salts MCQs

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Class 10 Science Chapter 2 Acids, Bases and Salts MCQs

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