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

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?

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

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

Acetic acid is a strong acid.

Acetic acid dissociates completely in an aqueous solution.

2 / 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 blue litmus red

Turn red litmus blue.

It will have no effect on the litmus paper.

Both A and B

3 / 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-iii, B-ii, C-iv, D-i

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

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

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

4 / 15

Which of the following are correctly matched?

1. Acid + Salt	Metal + Hydrogen
2. Acid + Metal Carbonate	Salt + Carbon Dioxide + Water
3. Metal Oxide + Acid	Salt + Water

1, 2 and 3

1 and 3

2 and 3

1 and 2

5 / 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 3

Only 1 and 2

Any of 1, 2, and 3

Only 1

6 / 15

Which of the following are correctly matched?

1. Plants and animals	pH range is 7.0 to 7.8
2. Acid rain	pH is 7.6
3. Tooth Decay	pH less than 5.5

1 and 2

2 and 3

1 and 3

1, 2, and 3

7 / 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 P and S are salt solutions

Both Q and S are basic solutions

Both Q and R are salt solutions

8 / 15

Identify the basic salt from the following salts:

Also See: Agriculture Class 10 Notes: Learn from the Best

Na2CO3

KCl

NaNO3

NH4Cl

9 / 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 and R

Only P

Only Q and R

All – P, Q, and R

10 / 15

The graph given below depicts a neutralization reaction (acid + base → salt + water). The pH of a solution changes as we add an excess of acid to an alkali.

graph depicting a neutralization reaction

Which letter denotes the area of the graph where both acid and salt are present?

11 / 15

In an attempt to demonstrate electrical conductivity through an electrolyte, the following apparatus was set up.

Base solution in water conducts electricity

Which among the following statement(s) is/are correct?

1. The bulb will not glow because the electrolyte is not acidic.

1. The bulb will glow because NaOH is a strong base and furnishes ions for conduction.

1. The bulb will not glow because the circuit is incomplete.

1. The bulb will not glow because it depends upon the type of electrolytic solution.

2 and 4

2 only

1 and 3

4 only

12 / 15

Which of the following reactions is a neutralization reaction?

Fe + 2HCl → FeCl2 + H2

HNO3 + NaOH → NaNO3 + H2O

MgO + H2O → Mg(OH)2

4Na + O2 → 2Na2O

13 / 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 → Milk of magnesia → Blood

Blood → Milk of magnesia → Wine

Wine → Blood → Milk of Magnesia

Milk of Magnesia → Blood → Wine

14 / 15

Mild non-corrosive basic salt is

NaCl

NaHCO3

Ca(OH)2

NaOH

15 / 15

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

Baking soda

Blue vitriol

Gypsum

Washing soda

Your score is

The average score is 58%

Complete all questions and check your leaderboard rank!

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1	Kc	100 %	47 seconds	15
2	PK	100 %	58 seconds	15
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Also See: CBSE Class 10 Social Science (SST) Answer Key 2025 – Download PDF & Exam Analysis

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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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