Question

Iron pipes coated with zinc do not get rusted easily. (True/False)
Iron and rust are the same substances. (True/False)
Condensation of steam is not a
chemical change. (True/False)
(e)​

Answer 1

1.) True

2.) False

3.) True

Answer 2

Answer:

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 same substance. (True/False)

(e) Condensation of steam is not a chemical change. (True/False)

Answer: (a) False- cutting a log of wood into pieces is a physical change.

(b) False- formation of manure from leaves is a chemical change.

(c) True

(d) False- Iron and rust are different substances.

(e) True