Chapter Revision - Changes around us: Physical and Chemical. Physics CBSE Live product, Class 7 (2026-27): lessons, tests, tasks.

1.	Physical and chemical changes
2.	Combustion, Rusting and Types of Changes

1.	Analysing the statements Difficulty: hard	4
2.	TBQ - Lime water experiment Difficulty: hard	4
3.	Activity - Observation in daily life Difficulty: hard	4
4.	CBQ - Slow Natural Changes in the Environment Difficulty: hard	5
5.	CBQ - Burning of candle Difficulty: hard	4

Methodical recommendation

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Chapter Revision - Changes around us: Physical and Chemical