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Answer 1)
Uses of metal
@ Lead metal is used in making car batteries
@ Zirconium metal is used in making bullet proof alloy steels
@ Iron is used as a catalyst in the preparation of ammonia gas by Haber's process
Uses of non metal
@ Liquid hydrogen is used as a rocket fuel
@ Sulphur is used for manufacturing sulphuric acid
@ Carbon is used for making the electrodes of electrolytic cell and dry cells.
Answer 2)
chlorophyll has Magnesium(Mg)
haemoglobin has Iron(Fe)
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