Drying of leaves is an example of a change.
True
False
During autumn, leaves change their color and dry out which is visible change and hence this is a change.
Vehicle moving at constant speed is an example of a change. State if the statement is True/False.
The mixture of dry leaves and sand can be separated by the process of threshing.True/False
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)