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 salts does not contain water of crystallization?

Gypsum

Blue vitriol

Baking soda

Washing soda

2 / 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

Any of 1, 2, and 3

Only 1

3 / 15

Mild non-corrosive basic salt is

NaOH

Ca(OH)2

NaCl

NaHCO3

4 / 15

Identify the basic salt from the following salts:

KCl

NaNO3

Na2CO3

NH4Cl

5 / 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

Redox reaction

Decomposition reaction

Combination reaction

6 / 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 not a salt

P is an acid

P is a neutral substance

7 / 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.

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

8 / 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

Only P

All – P, Q, and R

9 / 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

2 and 3

1, 2 and 3

1 and 3

1 and 2

10 / 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

Also See: Master Minerals and Energy Resources Class 10 with Key Questions and Answers

What is the definite conclusion that Anand can reach?

Both Q and S are basic solutions

Both P and S are salt solutions

Both P and R are neutral solutions.

Both Q and R are salt solutions

11 / 15

Which of the following reactions is a neutralization reaction?

4Na + O2 → 2Na2O

HNO3 + NaOH → NaNO3 + H2O

MgO + H2O → Mg(OH)2

Fe + 2HCl → FeCl2 + H2

12 / 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

13 / 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

14 / 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.

Acetic acid is a strong acid.

Acetic acid dissociates completely in an aqueous solution.

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

15 / 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, 2, and 3

1 and 3

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
4	Shreeyash Gupta	100 %	1 minutes 1 seconds	15
5	Roshan	100 %	1 minutes 4 seconds	15
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186	Ragan singh 10 B	47 %	1 hours 34 minutes 45 seconds	7
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199	Time	40 %	6 minutes 24 seconds	6
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Also See: CBSE Class 10 PYQs PDF Download with Solutions (All Subjects)

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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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