Description : The ratio of pure gold in 18 carat gold is (1) 60% (2) 75% (3) 80% (4) 90%
Last Answer : (2) 75% Explanation: There are various grades of gold purity, determined by the ratio of their alloy composition and rated by a karat system. Typical karat purities range from 10 karats to ... balance between gold purity and strength. Brilliance offers a variety of exquisite 18 karat gold jewelry.