Q. 55 D5.0( 2 Votes )
Name the gas evolved when cinnabar ore is roasted.
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Name the method used for the purification of metals of high reactivity. What does a blue flame of burner indicates?All In One Science
(a) Write the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores.
(b) How is copper extracted from its sulphide ore? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.
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