Is 18 carat gold a mixture or a pure substance
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no 18 varat gold is not pure. 24 carat gold is pure but it can't be used in making jewlwerys. so we use 22 carat or 18 carat gold.
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18 carat gold is a mixture not a pure substance. the mixture is formed by mixing pure gold that is 24 carat with some other metal like copper, silver, etc.
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