Question

anwser these questions please​

Answer 1

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.