|Class 6 Chemistry Changes around us||Numericals|
Question 1:- A drawing sheet changes when you draw a picture on it. Can you reverse this change?
This change can be reversed by using eraser, if a pencil is used in drawing. But if pen or paint is used for drawing, then we can reverse this change.
Question 2:- Give examples to explain the difference between changes that can or cannot be reversed?
Melting of ice, heating of milk, drying of clothes, stretching the rubber band etc.