Question

Gold number is the index for :
(a) electroplated gold
(b) metallic gold
(c) protective colloid
(d) purity of gold

Answer 1

purity of gold is the answer

hope it helps

Answer 2

(^O^)❤HEY MATE HERE IS YOU ARE ANSWER❤

۰۪۫I۪۫۰۰۪۫F۪۫۰ ۰۪۫I۪۫۰۰۪۫T۪۫۰ ۰۪۫H۪۫۰۰۪۫E۪۫۰۰۪۫L۪۫۰۰۪۫P۪۫۰ ۰۪۫Y۪۫۰۰۪۫O۪۫۰۰۪۫U۪۫۰ ۰۪۫P۪۫۰۰۪۫L۪۫۰۰۪۫E۪۫۰۰۪۫A۪۫۰۰۪۫S۪۫۰۰۪۫E۪۫۰ ۰۪۫L۪۫۰۰۪۫I۪۫۰۰۪۫K۪۫۰۰۪۫E۪۫۰ ۰۪۫I۪۫۰۰۪۫T۪۫۰

.•♫•ANSWER IS PART D PURITY OF GOLD