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

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 R are salt solutions

Both P and S are salt solutions

Both P and R are neutral solutions.

Both Q and S are basic solutions

2 / 15

Mild non-corrosive basic salt is

NaHCO3

Ca(OH)2

NaCl

NaOH

3 / 15

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

Pink

Remained yellow

White

Reddish brown

4 / 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.

A is true but R is false

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

A is false but R is true

5 / 15

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

Washing soda

Blue vitriol

Gypsum

Baking soda

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 salt

P is a neutral substance

P is not a base

P is an acid

7 / 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 3

2 and 3

1 and 2

1, 2, and 3

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

1, 2 and 3

2 and 3

1 and 2

1 and 3

9 / 15

Identify the basic salt from the following salts:

KCl

Na2CO3

NaNO3

NH4Cl

10 / 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

11 / 15

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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

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

12 / 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

13 / 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.

Calcium oxide which is basic.

Dilute hydrochloric acid solution.

Water which is neutral.

14 / 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-ii, C-iv, D-i

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

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

15 / 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

All – P, Q, and R

Only P and R

Your score is

The average score is 58%

Complete all questions and check your leaderboard rank!

Pos.	Name	Score	Duration	Points
1	PK	100 %	58 seconds	15
2	Name	100 %	59 seconds	15
3	D	100 %	1 minutes 10 seconds	15
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8	Bhavana	100 %	2 minutes 17 seconds	15
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193	jgfhkhtgtv hhdgjhik hjjdblkogf nhgdthkkppm ,;'\\][jutytrhbuoljhtr5b b jyopp[[c hoo99 oiu879ojuvyj['\][kiuy65hbtr6ijhilkuc76ik u9oo7gvb ju99jjnl5destyukm090tgiu njn9-[=okhy75dryi[[765ihu y79oiuhm,k	13 %	1 minutes 55 seconds	2
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Also See: CBSE Class 10 Social Science 2024 Topper’s Answer Sheet – Download PDF & Analysis

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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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