Subject :NSO Class : Class 5
Select the option that correctly gives the examples of physical and chemical changes.
----Physical change --------Chemical change
A Tearing of paper---- Breaking of glass
B Burning of paper ---Cooking of food
C Rusting of iron -----Melting of butter
D Formation of ice ---Burning of wood
Ans 1:
Class : Class 5
Well, The question is tricky and it needs critical thinking. I thought B but it was D........surprising!
Ans 2:
Class : Class 5
I like this question