1.

Which have melting point below 500ºC(1)  Ag, Cu(2)  Zn, Cd(3)   Cd, Cu(4)  Ag, Zn 

Answer»

Correct option  (2) Zn, Cd

Explanation:

Zn(146ºC), Cd (321ºC) has very low m.p. due to low heat of atomization and weak metallic bond. 



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