22 Carat gold means that 22 parts out of 24 total parts are gold, and the remaining 2 parts are other metals (like copper, silver, zinc) added for durability. The percentage purity is calculated as (22 / 24) 100%.
Purity of gold in 22 Carat is:
Asked in UPPSC Upper Mains 2006 · Topic: Metals, Minerals, Ores: Properties, Uses (Uses of common metals and their compounds in industries and daily life)
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