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प्रश्न
How many carats is pure gold? Why is pure gold not suitable for making ornaments?
उत्तर
24-carat gold is pure gold. Pure gold is too soft and it is not possible to make ornaments from this soft gold. Thus, 24-carat gold is mixed with two parts of copper or silver for making jewellery. The gold used for jewellery is 22-carat gold.
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