How is copper metal extracted from its sulphide ore ?

(a) Which metal is extracted from calamine ore? (b) Name one ore of mercury. Which mercury compound is present in this ore? Write its chemical formula. (c) How is copper extracted from its sulphide ore (coope glance), Cu_(2)S ? Explain with equations of the reactions involved. (d). What is an alloy? Give two examples of alloys. (e) How are the properties of an alloy different from those of the constitutent elements?

(a) White 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 sulphuric ore ?Explain the variour steps supported by chemical equations. Draw labelled diagram from the electrolytic refining of copper.

The copper metal is extracted from its

Name the principle ore of aluminium. How is the metal extracted from this ore ?

How is mercury extracted from its sulphide ore? Write the balanced chemical equations involved in the process. Why are carbonate or sulphide ores converted to oxides during the process of extraction? Is magnesium oxide an ionic compound or a covalent compound? Give reasons to support your answer.