Seema and Bhavesh are ranked sixth and ninth

Which compound is used to prepare water proof clothes?

Water gets cooled, when ice is immersed in it. It is because of the phenomenon of

Panchayat was added to our constitution through which amendment? 

Adhesive force is the force of

Which element is known for its high electronegativity?

Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?

Speed of sound in air is unaffected by change in :

As an air bubble ascends from the bottom of a lake to the surface, what happens to its size?

Why does the pole star appear to be fixed in one place while all other stars seem to move from east to west?

Which function is performed by rectifiers?