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

Mild non-corrosive basic salt is

NaOH

NaHCO3

NaCl

Ca(OH)2

2 / 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.

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

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

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

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 not a base

P is an acid

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:

Redox reaction

Decomposition reaction

Displacement reaction

Combination reaction

6 / 15

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

Blue vitriol

Washing soda

Gypsum

Baking soda

7 / 15

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

Remained yellow

White

Pink

Reddish brown

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

2 and 3

1 and 2

1, 2 and 3

1 and 3

9 / 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?

Calcium oxide which is basic.

Water which is neutral.

Sodium chloride which is neutral.

Dilute hydrochloric acid solution.

10 / 15

Identify the basic salt from the following salts:

Na2CO3

NaNO3

NH4Cl

KCl

11 / 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

Also See: Class 10 Maths (Standard) Sample Paper 2024-25 Solved: NCERT Pages + Most Probable Board Questions

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

12 / 15

Which of the following reactions is a neutralization reaction?

MgO + H2O → Mg(OH)2

Fe + 2HCl → FeCl2 + H2

HNO3 + NaOH → NaNO3 + H2O

4Na + O2 → 2Na2O

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 the correct explanation of the assertion.

A is false but R is true

A is true but R is false

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

14 / 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 true but R is false

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.

15 / 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

Any of 1, 2, and 3

Only 1 and 2

Only 3

Only 1

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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7	hello da guy	100 %	1 minutes 8 seconds	15
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16	Y	100 %	1 minutes 54 seconds	15
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20	rr	100 %	3 minutes 36 seconds	15
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23	Snn	93 %	47 seconds	14
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Also See: Manufacturing Industries: Demystified with Class 10 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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