The colour of wet flower petals is found to fade when they are dropped in a jar filled with chlorine.
a) Give the name of this process?
b) Choose the chemicals from the bracket which are needed to prepare chlorine in the laboratory.
(`Zn, KMnO_4, Con. HCl, Con.HNO_3`)
c) Name the substance through which the gas is passed to remove the traces of water vapour formed along the chlorine.
d) Name a compound of chlorine used in the purification of water.

Explanation

a) Bleaching
b) .KMnO_4, Con.HCl.
c) Sulphuric acid
d) Bleaching powder