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

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

2 / 15

Identify the basic salt from the following salts:

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.

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?

5 / 15

Mild non-corrosive basic salt is

6 / 15

In an attempt to demonstrate electrical conductivity through an electrolyte, the following apparatus was set up.

Base solution in water conducts electricity

Which among the following statement(s) is/are correct?

    1. The bulb will not glow because the electrolyte is not acidic.

    1. The bulb will glow because NaOH is a strong base and furnishes ions for conduction.

    1. The bulb will not glow because the circuit is incomplete.

    1. The bulb will not glow because it depends upon the type of electrolytic solution.

7 / 15

Which of the following are correctly matched?

1. Plants and animalspH range is 7.0 to 7.8
2. Acid rainpH is 7.6
3. Tooth DecaypH less than 5.5

8 / 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?

9 / 15

Which of the following are correctly matched?

1. Acid + SaltMetal + Hydrogen
2. Acid + Metal CarbonateSalt + Carbon Dioxide + Water
3. Metal Oxide + AcidSalt + Water

10 / 15

The reaction between MnO2 with HCl is depicted in the following diagram. It was observed that a gas with bleaching abilities was released.

reaction between MnO2 with HCl

The chemical reaction between MnO2 and HCl is an example of:

11 / 15

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

Solution PSolution QSolution RSolution S
With Methyl OrangeNo change in colorTurns redNo change in colorNo change in color
With PhenolphthaleinNo change in colorNo change in colorNo change in colorTurns pink
With Red litmusNo change in colorNo change in colorNo change in colorTurns litmus blue
With Blue litmusNo change in colorTurns litmus redNo change in colorNo change in color

What is the definite conclusion that Anand can reach?

12 / 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?

13 / 15

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

14 / 15

Which of the following reactions is a neutralization reaction?

15 / 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.

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The average score is 58%

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66Column 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 Chloride80 %3 minutes 31 seconds12
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👉 Chemical Reactions and Equations MCQ Quiz
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