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Question Question 2(2017)
Name the following :
(i) An alloy of lead and tin that is used in electrical circuits.
(ii) An ore of zinc containing its sulphide.
(iii) A metal oxide that can be reduced by hydrogen.
(i) Solder [fuse metal]
(ii) Zinc blende [ZnS]
(iii) Copper oxide (CuO)