CBSE Class 11-science Answered
Asked by shubhamjindal | 23 Jun, 2014, 09:48: PM
Expert Answer
24 carat gold is 100 % pure,
Hence 20 carat gold is 20 x 100 / 24 = 83.33 % pure
Answered by Prachi Sawant | 24 Jun, 2014, 12:02: PM
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