Answer: The correct options are B,C,E and F
Step-by-step explanation:
Density is define as amount of substance present in the unit volume of the substance.

Mass of the substance is measured in = grams, kilograms etc.
Volume of the substance is measured terms of = Liters,
etc
So, from the given options the units of density are
1)

2)

3) kg/L
4)

Hence, the correct options are B,C,E and F