PDF General Principlessss and Proceoceocessessesses Ofs Ofs of And ... Ncert
In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu 2 O with (i) FeS (ii) CO (iii) Cu 2 S (iv) SO 2 7. Brine is electrolysed by using inert electrodes. ... By using depressants in the process two sulphide ores can be separated. (iv) Froth stabilisers decrease wettability of gangue. 18. In the Froth ...