2. Observe the given pictures and answer the following questions: process 1 process 2 cutting of change in colour an apple of apple slices (a) What type of change is shown by process '1'? Give reason to support your answer.
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When slice of a cut apple is exposed to air for some time, it acquires a brown colour due to the formation of new substances by the action of oxygen present in the air. Hence, the change in colour of the cut apple slice is a chemical change.
(b) Physical change: Freezing of water into ice/boiling of water to form steam.
Chemical change: Electrolysis of water to form hydrogen and oxygen.
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apple and mango
Explanation:
fruits
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