Classify the following into physical and chemical change. [2 MARKS]

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Classify the following into physical and chemical change. [2 MARKS]

Options:

Answer: Option A
:
Correct Answer: 0.5 Mark each
The breaking of a pencil lead: It is a physical change as no new substance is formed.

Tarnishing of silver: It is a chemical change as rust is formed in it.
Digestion of food: It is a chemical change as new substances are formed.
Melting of an Ice cube: It is a physical change as only the change of state takes place.

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