4.What do you call the process wherein iron oxide reacts to the oxygen present in the air and causes rust?
a.combustion
b.Rusting
c.oxidation
d.evaporation
5.what kind of change occur when wood turns to charcoal because of heat?
a.physical change
b.chemical change
c.state
d.both a and b
a.combustion
b.Rusting
c.oxidation
d.evaporation
5.what kind of change occur when wood turns to charcoal because of heat?
a.physical change
b.chemical change
c.state
d.both a and b
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
4. b rusting
5. d both a and b