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. Acid + Salt	Metal + Hydrogen
2. Acid + Metal Carbonate	Salt + Carbon Dioxide + Water
3. Metal Oxide + Acid	Salt + Water

1 and 2

1 and 3

2 and 3

1, 2 and 3

2 / 15

Mild non-corrosive basic salt is

NaCl

NaHCO3

Ca(OH)2

NaOH

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

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

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

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

4 / 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 → Blood → Milk of Magnesia

Milk of Magnesia → Blood → Wine

Blood → Milk of magnesia → Wine

Wine → Milk of magnesia → Blood

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:

Decomposition reaction

Displacement reaction

Combination reaction

Redox reaction

6 / 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

A is false but R is true

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.

7 / 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.

Dilute hydrochloric acid solution.

Water which is neutral.

Calcium oxide which is basic.

8 / 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

9 / 15

Anand took four colorless solutions P, Q, R, and S, and performed the following tests.

Also See: CBSE Class 10 Science 2024 Topper’s Answer Sheet: Download with Solutions

	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 S are salt solutions

Both P and R are neutral solutions.

Both Q and S are basic solutions

Both Q and R are salt solutions

10 / 15

Which of the following reactions is a neutralization reaction?

HNO3 + NaOH → NaNO3 + H2O

4Na + O2 → 2Na2O

Fe + 2HCl → FeCl2 + H2

MgO + H2O → Mg(OH)2

11 / 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 Q and R

Only P

Only P and R

All – P, Q, and R

12 / 15

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

Blue vitriol

Baking soda

Gypsum

Washing soda

13 / 15

Identify the basic salt from the following salts:

KCl

Na2CO3

NH4Cl

NaNO3

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 3

Any of 1, 2, and 3

Only 1 and 2

Only 1

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 a neutral substance

P is not a salt

P is an acid

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: Conquer Class 10 Maths: Ace the Additional Sample Paper 2023-24

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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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