1.

What is 24-carat gold? How will you convert it into 18-carat gold?

Answer»

Solution :24-carat GOLD is pure gold, Pure gold is very soft and not suitable for making jewellary.
THEREFORE, to increase its hardness, it is alloyed EITHER with copper or silver.
18-carat gold is prepared by alloying 18 PARTS pure gold with 6 parts of either copper or silver.


Discussion

No Comment Found