Which of the following physical properties of water are correct? Water
I. is a colourless liquid
II. is a universal solvent
III. boils at 100°C at standard atmospheric pressure
IV. has a density of 5 kg cm^-3 at 4°C

• A.I and II only
• B.II and III only
• C.I, II and III only
• D.II, III and IV only