Class 12th Chemistry Chapter Solution free mcq test quiz for 2026 exam

Attempt Class 12th Chemistry Chapter Solution for Chemistry exam with our free test quiz. Test your knowledge, practice with test questions, and ace your exams with confidence!

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12th Chemistry Chapter 2 Solution

1 / 10

1. The vapour pressure of a solvent decreases by 10 mm of Hg when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent if the decrease in the vapour pressure is to be 20 mm of Hg?

0.8

0.6

0.4

0.2

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2. Value of Henry's constant KH _______.

increases with increase in temperature.

decreases with increase in temperature.

remains constant.

first increases then decreases.

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3. At the state of dynamic equilibrium, for solute + solvent solution.

Rate of dissolution = Rate of unsaturation.

Rate of dissolution = Rate of saturation

Rate of crystallization = Rate of saturation.

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4. Most of the processes in our body occur in

solid solution

liquid solution

gaseous solution

colloidal solution

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5. Which of the followingfactor(s) affect the solubility of a gaseous solute in the fixed volume of liquid solvent?
(i) Nature of solute (ii) Temperature (iii) Pressure

(i) and (iii) at constant T

(i) and (ii) at constant P

(ii) and (iii) only

(iii) only

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6. Which one of the statements given below concerning properties of solutions, describes a colligative effect?

Boiling point of pure water decreases by the addition of ethanol

Vapour pressure of pure water decreases by the addition of nitric acid

Vapour pressure of pure benzene decreases by the addition of naphthalene

Boiling point of pure benzene increases by the addition of toluene

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7. Low concentration of oxygen in the blood and tissues of people living at high altitude is due to _________.

low temperature

low atmospheric pressure

high atmospheric pressure

both low temperature and high atmospheric pressure

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8. 2.5 litres of NaCl solution contain 5 moles of the solute. What is the molarity?

5 molar

2 molar

2.5 molar

12.5 molar

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9. The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could be used in the blood stream?

0.16 mol/L

0.31 mol / L

0.60 mol / L

0.45 mol / L

10 / 10

10. The molarity of the solution containing 7.1 g of Na2SO4 in 100 ml of aqueous solution is

2 M

0.5 M

1 M

0.05 M

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3	Sidra anam	10 %	1

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Chapter wise quiz of XII class chemistry

Welcome to our comprehensive Class 12 Chemistry Chapter 2 Solutions Free Test Quiz! Attempt Class 12th Chemistry Chapter Solution. We understand the importance of mastering this essential chapter to excel in your board exams and beyond. This quiz is designed to assess your understanding of solutions and aid in identifying areas that require further study. Prepare yourself for success as we provide you with an interactive and insightful test that covers the key concepts of Chapter 2.

Understanding Class 12 Chemistry Chapter 2 – Solutions: Chapter 2 of Class 12 Chemistry delves into the intriguing world of solutions. Solutions are a crucial aspect of chemistry, as they represent a homogenous mixture of two or more substances. This chapter introduces students to various aspects of solutions, such as their types, concentration, colligative properties, and more. A solid grasp of these concepts is vital, as they serve as the foundation for more complex topics in higher classes and higher education. Download NCERT PDF Chemistry for this quiz.

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1. What does the u0022Class 12th Chemistry Chapter 2 Solutions Free Test Quizu0022 cover?

The free test quiz covers topics related to Chapter 2 – Solutions from the Class 12th Chemistry syllabus, helping you assess your understanding of this important chapter.

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