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 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

2 and 3

1 and 3

1 and 2

2 / 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

Milk of Magnesia → Blood → Wine

Wine → Blood → Milk of Magnesia

3 / 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.

Turn blue litmus red

It will have no effect on the litmus paper.

Both A and B

4 / 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 a neutral substance

P is an acid

P is not a base

5 / 15

Assertion (A): Fresh milk in which baking soda is added, takes a longer time to set as curd.

Reason (R): Baking soda decreases the pH value of fresh milk to below 6.

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

A is false but R is true

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

A is true but R is false

6 / 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

1 and 2

2 and 3

1, 2 and 3

7 / 15

Which of the following reactions is a neutralization reaction?

4Na + O2 → 2Na2O

HNO3 + NaOH → NaNO3 + H2O

Fe + 2HCl → FeCl2 + H2

MgO + H2O → Mg(OH)2

8 / 15

Identify the basic salt from the following salts:

NaNO3

NH4Cl

KCl

Na2CO3

9 / 15

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

Washing soda

Baking soda

Blue vitriol

Gypsum

10 / 15

Mild non-corrosive basic salt is

NaOH

Ca(OH)2

NaCl

NaHCO3

11 / 15

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

White

Pink

Remained yellow

Reddish brown

12 / 15

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

Also See: Electricity Class 10 Science MCQ Quiz – Test Your Knowledge

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-iv, C-i, D-ii

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

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

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

13 / 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 not the correct explanation of the assertion.

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

A is true but R is false

A is false but R is true

14 / 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

Any of 1, 2, and 3

Only 1

Only 3

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 Q and S are basic solutions

Both Q and R are salt solutions

Both P and R are neutral solutions.

Both P and S are salt solutions

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: Tenses Class 10 English Grammar: Master Rules, Examples & Practice Questions

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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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