1)

What is the actual volume occupied by water molecules present in 20 cm3 of water ?


A) 20 $cm^{3}$

B) 10 $cm^{3}$

C) 40 $cm^{3}$

D) 24.89 $cm^{3}$

Answer:

Option B

Explanation:

Half of the volume occupied in water is empty or unoccupied. Therefore, 10 cm3 of the actual volume is occupied by water molecules present in 20 cm3 of water