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

Powdered substances are more effective adsorbents than their crystalline forms because ____________.

Which among the following is true for chemisorption?

In physisorption, adsorption is generally ____________.

Chromatography is based on the principle of ____________.

The extent of adsorption increases with the ____________.

The physical adsorption is due to ____________.

The process of separating gangue and other impurities from the metals is known as ____________.

Gravity separation technique is mainly applicable to ____________.

Which among the following transition metal has the lowest melting point?

Transition metals with highest melting point is ____________.

Transition metals with lowest melting point is ______.

Which is the most stable oxidation state of iron?

Electronic configuration of Mn²⁺ is ____________.

Maximum magnetic moment is shown by ____________.

Maximum oxidation state is shown by ____________.

The following amine is called as:

Crystals can be classified into basic crystal units, equal to ____________.

How many three-dimensional crystal lattices are possible?

Value of Henry’s constant K_H ______.

The statement true for \[\ce{N^-_3}\] is ____________.