Write important uses of elements of
(Ans.) Important uses of group (1) Lithium metal is used in long life batteries which are used in digital watches, calculators and computers.
(2) Liquid sodium is used for heat transfer in nuclear power stations.
(3) Potassium chloride is used as a fertilizer.
(4) Potassium is used in manufacture of superoxide (K*O_{2}) to generate oxygen.
(5) Caesium is used in photoel cell.
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Caesium is used in photoel cell
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