Ans: KDM Gold is a type of gold which comprises 92 per cent pure gold and the remaining 8 per cent contains cadmium alloy hence the term KDM gold came into usage. The mixture of cadmium was done ...
22 karat gold is one of the standards for measuring gold purity. Because gold in its purest form is not very strong and easily breaks, it cannot be used to make gold ornaments. Some impurity is ...