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aluminium
tin
nickel
iron
Conversion of chemical energy into electrical energy occurs in
Cooking gas is a mixture of
Copper substances when exposed to air gains a green coating due to the formation of:
Covalent bonds are mainly found in
Cryolite is:
Currency coins are alloys of different metals. One metal that is present in all coins is
Diamond is harder than graphite because of :
Diamond is lustrous because
Diamond is the form of carbon that is
Discovery of the nucleus of an atom was due to the experiment carried out by