anwser these questions please
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1. Physical changes are temporary. Chemical changes are permanent.
The same material undergoes change in shape, size etc. A new substance is formed in a chemical change.
2. Physical change- melting of ice, cutting of paper.
Chemical change- burning of magnesium ribbon, burning of paper.
3. Solid
4. Solid
5. Sublimation
6. BEC (Bose-Einstein Condensate)
7. Solid.
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