ExamPlay Dark Logo
Sign In

WAEC - Chemistry (1991 - No. 2)

In which of the following is the oxidation number of nitrogen zero?
SO2 and NH3
NaNO3
HNO2
NOI3
N2

Comments (0)

Login To Comment
Advertisement
BrainBehindX Inc Logo
©2026; Powered By BrainBehindX Inc