there are three metals p q and R and their origin forms are oxide Q sulphide and R carbonate predict the metals
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The names of the metals P, Q , R, S which are obtained by the reduction of their oxides with carbon are Zinc, Tin, Lead, Iron respectively.
We reach to this conclusion because:
On metal Iron a thin coating of Zinc is formed by the process called galvanization. This coating prevents the iron from getting rusted as zinc has high reactivity and hence protection is given against corrosion.
By electroplating tiffin boxes which are made of Iron with Tin, protection is conferred to iron against outside corrosion.
In the making of car batteries, lead is being used. An alloy solder is formed by combining tin and lead.
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