The reactions involving simultaneous oxidation and reduction?
A
Automatic reactions
B
Alternate reactions
C
Reduction agency
D
Redox reactions
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Redox (reduction/oxidation) describes all chemical reactions in which atoms have an increase or decrease in oxidation number (oxidation state).
Source: WAEC / JAMB / NECO Classroom Archive (Record #60518)