Which of the following is not the use of alkali metals .

1.	Which of the following is not the use of alkali metals .
Answer» White metal , an ALLOY of lithium and lead is used in manufacture of bearing for motore engines . Sodium-lead alloy is used in the preparation tetraethyl lead and ANTI knocking agent . POTTASIUM chloride is used as fertilizer The alkali metals used in photoelectric cells are lithium and sodium . Answer :D

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