Question 11 Mark
Condensation of steam is not a chemical change. (True/False)
True
False
Answer
View full question & answer→True
17 questions · timed · auto-graded
Condensation of steam is not a chemical change. (True/False)
True
False
Iron and rust are the same substances. (True/False)
True
False
Iron and rust are different substances. Rust is iron oxide$Fe_2O_3$
Iron pipes coated with zinc do not get rusted easily. (True/False)
Ture
False
Formation of manure from leaves is a physical change. (True/ False)
True
False
Formation of manure from leaves is a chemical change.
Cutting a log of wood into pieces is a chemical change. (True/False)
True
False
Cutting a log of wood into pieces is a physical change.