{:(,"Column-I",,"Column-II"),("A)",Co,"P)","Neutral"),("B)",PbO_(2),"Q)","Amphoteric"),("C)",GeO,"R)","Reducing agent"),("D)" ,SnO,"S)","Oxidizing agent"):}

{:(,"Column-I",,"Column-II"),("A)",Co,"P)","Neutral"),("B)",PbO_(2),"Q

1.	{:(,"Column-I",,"Column-II"),("A)",Co,"P)","Neutral"),("B)",PbO_(2),"Q)","Amphoteric"),("C)",GeO,"R)","Reducing agent"),("D)" ,SnO,"S)","Oxidizing agent"):}
Answer» Solution :A) CHARGE `.+2.` B) Non-metalic nature & O.S. is `+4`. C) Non-metalic nature & O.S. is `+2` D) Non-metalic nature & O.S. is `+2 `