A metal which exists as a liquid at room temperature is obtained by heating its sulphide ore in the presence or air.
(a) Name the metal and wriite its chemical symbol.
(b). Write the name and formula of the sulphide ore.
(c) give the equations fo chemcial reactions involved int he production fo metal from its sulphide ore.
(d) Name a common device in which this metal is used.
(e) Can this metal displace copper from copper sulphate solution? Why?