Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Chemistry

The total number of tetrahedral voids in the face-centered unit cell is ______.

Which of the following factor do not affect the solubility of a solid solute in liquid?

When a solid solute is added to the solvent, some solute dissolves and its concentration increases in solution. This process is known as ___________. Some solute particles in the solution collide with the solid solute particles and get separated out of the solution. This process is known as __________.

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

Which of the following statements is incorrect?

On dissolving sugar in water at room temperature solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid?

A beaker contains a solution of the substance ‘A’. Precipitation of substance ‘A’ takes place when a small amount of ‘A’ is added to the solution. The solution is ______.

Maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon ______.

The catalyst used in the manufacture of HNO₃ by Ostwald’s process is ____________.

Concentrated nitric acid, upon long standing, turns yellow brown due to the formation of ____________.

Ethyl alcohol can be prepared from Grignard reagent by the reaction of ____________.

Alkenes convert into alcohols by ____________.

Which of the following reacts with NaOH to give alcohol?

Commercially carboxylic acids are reduced to alcohols by converting them to the ______.

Which of the following statements is incorrect regarding glucose?

The symbols D and L represents ____________.

Which one of the following compounds is different from the rest?

When glucose reacts with bromine water, the main product is ____________.

Glucose does not react with ____________.

Glucose reacts with acetic anhydride to form ______.