In photochemical reactions, absorption of _____ radiations takes place.
A. ultraviolet and visible
B. radio
C. only visible
D. visible and x-rays
Answer:A
In photochemical reactions, absorption of _____ radiations takes place.
A. ultraviolet and visible B. radio C. only visible D. visible and x-rays
Explanation: Absorption of visible and ultraviolet radiations can only take place in a