In case of mild burns, the first step to do is
If the clothes of a person working in the kitchen catch fire, then to extinguish the fire :
(a) sand should be thrown over the burning clothes
(b) water should be thrown over the burning clothes
(c) polyester blanket should be used to cover the burning clothes
(d) woollen blanket should be used to cover the burning clothes
Name the non-metal used to make purple coloured solution which is applied on cuts and wounds as an antiseptic.