Which of the following are chemical processes? 1. rusting of a nail 2. freezing of water 3. decomposition of water into hydrogen and oxygen gases 4. compression of oxygen gas.
A、2, 3, 4
B、1, 3, 4
C、1, 3
D、1, 2
E、1, 4
发布时间：2026-01-07 14:46:55
