NCERT Class 12 Science — Chapter 1: Solutions

What is the sum of the mole fractions of all components in a solution?

Which law relates the total vapour pressure of a mixture to the partial pressures of its components?

In a binary solution, the component present in the largest quantity is generally termed as:

Two solutions having the same osmotic pressure at a given temperature are called:

Why are aquatic species generally more comfortable in cold waters than in warm waters?

In a solid amalgam of mercury with sodium, which component acts as the solvent?

Assertion (A): The molarity of a solution changes with temperature. Reason (R): Molarity is a function of volume, which depends on temperature.

Aquatic species are generally more comfortable in which type of water due to higher dissolved oxygen?

According to Henry's Law, the solubility of a gas in a liquid increases with an increase in:

Which of the following is NOT considered a colligative property of solutions?

The freezing point depression constant is also known as:

Which of the following correctly defines molality (m)?

Which law relates the partial pressure of a gas in the vapour phase to its mole fraction in the solution?

The maximum amount of a solute that can be dissolved in a specified amount of solvent at a given temperature is called its:

Which process is primarily used for the desalination of seawater using pressure?

Which concentration unit is defined as the number of moles of solute per litre of solution?

What is the boiling point of water at a pressure of 1.013 bar?

Which of the following liquid mixtures forms a nearly ideal solution?

A solution in which no more solute can be dissolved at the same temperature is called:

Which expression correctly defines the mass percentage of a component in a solution?

Match List-I with List-II and select the correct answer using the code given below: List-I (Type of Solution) | List-II (Example) A. Liquid in liquid | 1. Solution of hydrogen in palladium B. Gas in solid | 2. Aerated drinks (oxygen in water) C. Gas in liquid | 3. Ethanol dissolved in water D. Solid in liquid | 4. Glucose dissolved in water

Which of the following correctly defines molarity (M)?

Which mathematical relation represents Henry’s law for the solubility of a gas in a liquid?

If the molality of a dilute solution is doubled, what happens to the elevation of boiling point?

Which concentration unit is most commonly employed for liquid-liquid mixtures?

Among the following solvents, which would show the largest depression in freezing point for the same molality of a solute?