Liquid oxygen is____ in colour.

Liquid oxygen is blue in colour due to : A) Electron transition from HOMO to LUMO in visible region B) Electron transition from HOMO to LUMO in ultraviolet region C)Liquid oxygen has unpaired electron but gas oxygen is not D)None of the above.

Mode is____

Freezing point of liquid oxygen is______

A solution of sodium in liquid ammonia is blue in colour due to:

A solution of sodium in liquid ammonia is blue in colour due to:

Soap is____

Soap is____

Terylene is____.