Analyze the table and find out the changes. Are new substances formed in any of the above situations?

No, new substances are formed in any of the situations as in all the changes there was only the change in the appearance and not in chemical composition. Hence, the changes are physical changes. Change in which only physical properties of a substance change and no new substance is formed is called Physical Change. Most of the physical changes are reversible.

Analyze the table and find out the changes. What are the changes of states that occur?

All the changes in the given table are physical changes. Change in which only physical properties of a substance change and no new substance is formed is called Physical Change. The change of state that has occurred in the following situations are from solid-state to the liquid state. These changes can be observed in heating of solid ghee, heating wax and heating lac.

Analyze the table and find out the changes. Which among them involves a change in shape?

All the changes in the given table are physical changes. Change in which only physical properties of a substance change and no new substance is formed is called Physical Change. The piece of matter with a changed shape has the same property as that of the original substance in this change. The change in shape has occurred in the following situations which are: Cutting vegetables , tearing of paper, and breaking a bottle.

Analyze the table and find out the changes. Which among them involves a change in size?

All the changes in the given table are physical changes. Change in which only physical properties of a substance change and no new substance is formed is called Physical Change. The piece of matter with changed size has the same property as that of the original substance in this change. The change in size has occurred in the following situations which are cutting vegetables, heating a PVC pipe, and tearing of paper.