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प्रश्न
‘915 fine silver’ consists of ______.
विकल्प
9.15% silver
91.5% silver
100% silver
0% silver
MCQ
रिक्त स्थान भरें
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उत्तर
‘915 fine silver’ consists of 91.5% silver.
Explanation:
The number ‘915’ in 915 fine silver means that the silver contains 91.5% pure silver. The remaining 8.5% is usually copper or other metals to improve hardness. Pure silver is too soft to be used for jewellery or coins, so it is alloyed.
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