how 24 carat gold converted into 18 carat gold
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By mixing 6 carats of silver or copper in 18 carats gold it becomes 18 carat gold. First we have to remove 6 carat gold from 24 carat gold and then add 6 carat copper or silver
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24-carat gold is pure gold. Pure gold is very soft and not suitable for making jewellery. 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.
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