Question

Write any two uses and two properties of covalent compounds.

Answer 1

Covalent compound is formed when two nonmetallic atoms have the same electronegativity values.

1) Methane ($C{H}_4$) :

• Properties:

1. It is a combustible gas.
2. It is lighter than air

• Uses :
  

1. It is used in industrial processes.
   
2. It is used as fuel in automobiles.

2) Oxygen ($O_2$)

• Properties:

1. The density of oxygen is 1.429 $kg/m^3$
2. It is colourless, odourless and tasteless gas.

• Uses :

1. It is used in melting, refining and manufacture of steel.
2. It has medical and biological life support.