Bidisha Das
23 minutes ago
Manju Poudel
44 minutes ago
Anonymous
1 hour ago
The reduction of Lead oxide (Litharge) to metallic lead is represented as: 2PbO (s) + Reducing agent gives 2Pb(s) + CO2(g) 1) Explain the importance of this equation in relation to gold and silver ?
assay by fire assay? 2) What effect will sulphur being a reducing agent have on the size of metallic Lead produced if it (Sulphur) is present in the fusion process? 3) Suggest at least two ways that can be used to counteract the effect stated in question 2) above?
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Anonymous
1 hour ago
