Boiled water tastes flat.

Explain why:

(a) Boiled or distilled water taste flat.

(b) Ice at $0^{\circ }C.$ has the greater cooling effect than water at $0^{\circ }C.$

(c) Burns caused by steam are more severe than burns caused by boiling water.

(d) Rainwater does not leave behind concentric rings when boiled.

(e) Air dissolved in water contains a higher proportion of oxygen.

(f) If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.