Standard 18-carat gold sold in the market contains:

Q. Standard 18-carat gold sold in the market contains:
Answer: 18 parts gold and 6 parts other metals
Notes: 24 carat is pure gold with no other metals. Lower caratages contain less gold; 18 carat gold contains 75 per cent gold and 25 per cent other metals, often copper or silver. The minimum caratage for an item to be called gold varies by country.

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