Question

State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook.

(a) Cutting a log of wood into pieces is a chemical change. (True/False)
(b) Formation of manure from leaves is a physical change. (True/ False)
(c) Iron pipes coated with zinc do not get rusted easily. (True/False)
(d) Iron and rust are the same substances. (True/False)
(e) Condensation of steam is not a chemical change. (True/False)

Answer 1

(a) False; this is a physical change.

(b) False; this is a chemical change.

(c) True.

(d) False, iron and rust are two different substances.

(e) True.

:) I am taking the same class.