The purity of gold can be tested by weighing it in air and in water. How? Do
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The purity of gold can be tested by weighing it in air and in water. How? Do you think you could get away with making a fake gold brick by gold plating some cheaper material?
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The weight in air is w air mg obj V obj g where obj and V obj are the density and volume of the obje...View the full answer
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Related Book For 
University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
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