Questions

The P atom needs five orbitals to form the five P-Cl bonds. It has a 3s and three 3p orbitals, so it must use one of its 3d orbitals to form the fifth bond. These orbitals are hybridized to form five sp3d orbitals that just happen to point in the right directions to form a trigonal bipyramid.

An electric fuse is based on the heating effect of the current.

Protested is used because here the villagers express their feeling by making an objection to what has been done.

The term 'degrees of newness' is associated with degree of design change. How much the design changes that much newness comes in it.

Judicial branch is one among the three branches of the government. 

Supreme court, the magistrate (local) and municipal (city) courts are there in the judicial branch.

The Judicial branch interprets the laws.

Rajya Sabha is a permanent body and is not subject to dissolution. However, one third of the members retire every second year, and are replaced by newly elected members.

For a thirsty person, drinking water serves to reduce a drive.