Question

Write five points of common causes of physical and chemical change for class 6

Answer 1

Physical changes
Those changes in which no new substance are formed are called physical change
1 No new substance are formed in a physical change.
2 . A physical change is temporary change.
3 . A physical change can be easily reversed.
4 . Very little energy is either absorbed or envolved in physical change.

Chemical change ....
Those changes in which new substance are called chemical change.

1 . One or more new substance are formed in a chemical change.
2. Sound may be produced in a chemical change.
3 . A Gas may be formed in a chemical change.
4. A permanent change in colour may take place in a chemical change.

plzzz mark brainy............

Answer 2

Answer:

physical change can be reversible