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

Which of the following reactions is a neutralization reaction?

4Na + O2 → 2Na2O

MgO + H2O → Mg(OH)2

HNO3 + NaOH → NaNO3 + H2O

Fe + 2HCl → FeCl2 + H2

2 / 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, 2 and 3

1 and 3

1 and 2

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

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

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

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

4 / 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

Reddish brown

Pink

5 / 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?

6 / 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.

A is false but R is true

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 true but R is false

7 / 15

The reaction between MnO₂ with HCl is depicted in the following diagram. It was observed that a gas with bleaching abilities was released.

The chemical reaction between MnO₂ and HCl is an example of:

Displacement reaction

Decomposition reaction

Combination reaction

Redox reaction

8 / 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 2

2 and 3

1 and 3

1, 2 and 3

9 / 15

Mild non-corrosive basic salt is

NaHCO3

Ca(OH)2

NaCl

NaOH

10 / 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

Also See: The Rise of Nationalism in Europe MCQs | Class 10 History Quiz with Answers

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

11 / 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?

Dilute hydrochloric acid solution.

Calcium oxide which is basic.

Water which is neutral.

Sodium chloride which is neutral.

12 / 15

Identify the basic salt from the following salts:

KCl

Na2CO3

NH4Cl

NaNO3

13 / 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 R are salt solutions

Both Q and S are basic solutions

14 / 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, 2, and 3

1 and 2

1 and 3

2 and 3

15 / 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

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: CBSE Class 10 Hindi 'B' 2024 Topper’s Answer Sheet (PDF) – Download Now

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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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