Question

state physical and chemical change with example

Answer 1

physical change- a change in which no new substance is formed.
ex - melting of ice.
chemical change- a
change in which new substance is formed.
example- heating of a substance.
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Answer 2

⇒ physical change :-

Change is a temporary change in which the composition and chemical nature of the substance remains the same but the state of the substance and physical properties change.

• Formation of cloud.
• Magnetising an iron bar.
• Freezing of water.
• Mixing of iron filling and sand.

⇒ Chemical change :-

Change is a permanent change in which not physical properties but chemical properties also change. This is because a new substance is formed in a chemical change.

• Burning of fuel.
• Digestion of food.
• Rusting of iron.
• Cooking of food.