An element X combines with oxygen to form compounds P and Q. If the ratio of the valency of element X in P to element X in Q is 3:5 respectively, what could be the probable compounds P & Q? P
(A) со
(B) N₂O,
(C) H₂O
(D) CH₂ Q CO₂ 2 N₂O, H₂O, C₂H₂​