Give reasons for the following : (b) A rectangle can be thought of as a special parallelogram.

Give reasons for the following : (a) A square can be thought of as a special rectangle.

Give reasons for the following : (c ) A Square can be thought of as a special rhombus.

Give reasons for the following : (d) Square, rectangles, parallelograms are all quadrilaterals.

Give reasons for the following : (e) Square is also a parallelogram.

Give reason for the following : PbCl_(4) is more covalent than PbCl_(2) .

Give reason for the following. Stability of colloids.

Give the reasons of the following : Noble gases tend to be less reactive .

Give reason for the following. Brownian movement of colloidal particles.

Give reason for the following observations. We can get the smell of perfume sitting several metres away.

Give reason for the following : Bryophytes require water for reproduction.