Question

when water colour is​

Answer 1

While relatively small quantities of water appear to be colorless, pure water has a slight blue color that becomes a deeper blue as the thickness of the observed sample increases. The blue hue of water is an intrinsic property and is caused by selective absorption and scattering of white light.

Answer 2

Water → $\rm H_2O$

♪ It is colourless liquid .

♪ It is also tasteless .

♪ It is a polar compound .

♪ It contains 2 molecules of Hydrogen and 1 molecule of Oxygen .