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

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

White

Remained yellow

Pink

Reddish brown

2 / 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 salt

P is an acid

P is not a base

P is a neutral substance

3 / 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?

4 / 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

2 and 3

1 and 3

1, 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 1 and 2

Only 3

Only 1

Any of 1, 2, and 3

6 / 15

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

Gypsum

Blue vitriol

Baking soda

Washing soda

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

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

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

8 / 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.

1 and 3

2 only

4 only

2 and 4

9 / 15

Identify the basic salt from the following salts:

Also See: The Human Eye and the Colourful World Class 10 Science MCQ Quiz – Test Your Knowledge

NH4Cl

Na2CO3

KCl

NaNO3

10 / 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 and 3

2 and 3

1, 2 and 3

1 and 2

11 / 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

Both A and B

It will have no effect on the litmus paper.

Turn red litmus blue.

12 / 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 Q and R

All – P, Q, and R

Only P

13 / 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.

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

Acetic acid dissociates completely in an aqueous solution.

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

14 / 15

Assertion (A): While dissolving an acid in the water, the water must always be added slowly to the acid with constant stirring.

Reason (R): Dissolving an acid in water is a highly exothermic reaction.

Both A and R are true and R is the correct explanation of the assertion.

Both A and R are true and R is not the correct explanation of the assertion.

A is false but R is true

A is true but R is false

15 / 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

Your score is

The average score is 58%

Complete all questions and check your leaderboard rank!

Pos.	Name	Score	Duration	Points
1	Kc	100 %	47 seconds	15
2	PK	100 %	58 seconds	15
3	Name	100 %	59 seconds	15
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Also See: Master Minerals and Energy Resources Class 10 with Key Questions and Answers

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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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