When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?

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When a spring is cut into two, stiffness becomes ?

0 Answers   NIC,

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Define what is the difference between stainless steel and alloy steel?

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Define what is the ratio of dbc to oxalic acid solution in this step?

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How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny?

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Which method has more procity in cast part? Which method has more strength in cast part?

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Define what is widman statten structure?

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What is a gray surface?

0 Answers   Essar,

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Why steel is preferred for construction of aircraft?

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What happens when the mercury of a thermometer spills over the gold ring?

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What is hardest cutting tool material?

0 Answers   NIC,

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Why is it so hard to find literature on the wear resistance of titanium?

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