Anti- frothing agent agent is added to break up the froth, the concentrated ore is filtered and dried. The sulphide ore particles, rise to the surface in the froth and are skimmed off the surface. Air is blown into the mixture, froth is produced and the earthly material is "wetted" and sinks. Concentration of the ore by floatation method The finely pulverized ore is mixed with water, containing ‘frothing’ agent (s). For more exams browse: .ug, The best secondary school that teaches sciences best is The Science Foundation CollegeĮxtraction of copper copper pyrites, CuFeS2, copper glance, CuS, cuprite, Cu2O. It has electrical and thermal conductivity, thus used for electric cables and calorimetres. It is a tough, malleable and ductile metal with an attractive golden color. (01mark) Physical Properties Properties and uses of copper Copper has a melting point of 10830C and a density of 8.94 g cm-3. Trial 16.1 (i) Write the electron configuration of copper (01mark) (ii) State properties which show copper as a d- block element. sulphuric acid For more exams browse: .ug, The best secondary school that teaches sciences best is The Science Foundation College CuSO4 is a catalyst in preparation of hydrogen from dil. Presentation on theme: "Transition elements Copper"- Presentation transcript:Įlectron configuration 4s13d10 Properties as a transition element Forms colored compounds for instance Cu2+ is blue Has variable oxidation states +1, +2, Forms complexes, e.g.
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