Sublimation of camphor (crystals)
A. 1 and 2
B. 2 and 3
C. 1 and 4
D. 3 and 4
Answer:A
Sublimation of camphor (crystals)
A. 1 and 2 B. 2 and 3 C. 1 and 4 D. 3 and 4
Explanation: Energy is released in exothermic reactions in the form of heat.