Questions

A group of emus is called as a mob. Emus is a kind of bird which is next to ostrich in its size.

Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

Electronegativity refers to the ability of an atom to attract shared electrons in a covalent bond. The higher the value of the electronegativity, the more strongly that element attracts the shared electrons.

Electronegativity increases from bottom to top in groups, and increases from left to right across periods. Thus, fluorine is the most electronegative element and lithium is the least.

The black flag signifies a protest.

Any object rolls when there is no friction. So, Sliding to Rolling is correct.