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gold and silver quiz

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gwinearman | 20:52 Sun 15th Aug 2010 | Quizzes & Puzzles
5 Answers
2 how much silver must an item be made of to get a hallmark
52 the olympic silver medal is made of how much silver .
77 what metal makes up 10% of yellow gold.
78 what percentage of 18 carat gold is silver
88 in which field are the golden raspberries awarded.
92 how much gold is there in a pound coin.
Thank you for any help.
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88....http://news.bbc.co.uk/1/hi/entertainmen
t/oscars/7904210.stm
yep 88 has been discussed before http://www.theanswerb...q1=golden+raspberries
92 None

The circulating British one pound (£1) coin is minted from a nickel-brass alloy of approximately 70% copper, 24.5% zinc, and 5.5% nickel.
52 Minimum silver content is 92.5%

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