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

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?

Sodium chloride which is neutral.

Water which is neutral.

Calcium oxide which is basic.

Dilute hydrochloric acid solution.

2 / 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

All – P, Q, and R

Only Q and R

Only P and R

3 / 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 true but R is false

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.

4 / 15

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

Pink

White

Remained yellow

Reddish brown

5 / 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

6 / 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

Both A and B

It will have no effect on the litmus paper.

7 / 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?

Blood → Milk of magnesia → Wine

Wine → Milk of magnesia → Blood

Wine → Blood → Milk of Magnesia

Milk of Magnesia → Blood → Wine

8 / 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

1 and 3

1 and 2

1, 2 and 3

2 and 3

9 / 15

Also See: Class 10 Physics: Light Reflection and Refraction Notes

Which of the following reactions is a neutralization reaction?

Fe + 2HCl → FeCl2 + H2

MgO + H2O → Mg(OH)2

4Na + O2 → 2Na2O

HNO3 + NaOH → NaNO3 + H2O

10 / 15

Identify the basic salt from the following salts:

KCl

Na2CO3

NaNO3

NH4Cl

11 / 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 not the correct explanation of the assertion.

A is true but R is false

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

12 / 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 dissociates completely in an aqueous solution.

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

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

Acetic acid is a strong acid.

13 / 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

14 / 15

Mild non-corrosive basic salt is

NaCl

NaOH

Ca(OH)2

NaHCO3

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 not a salt

P is an acid

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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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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