Potable water is
Transparent and colourless
Potable water: Is also known as drinking water and comes from surface water and groundwater sources.
The explanation for the correct option:
(b)Transparent and colourless: Following qualities of potable water
The explanation for the incorrect option:
(a) Transparent:
(c)Transparent, colourless and has taste:
Therefore, Option (b)i.e Transparent and colourless is the correct answer.