Across
- 3. The new substances formed after the chemical reaction
- 5. A change in which the internal structure changes
- 7. The substance that does not undergo any change during a chemical reaction
- 8. The process by which the size of the object increase on heating
Down
- 1. The process which corrodes the iron
- 2. The change that is irreversible
- 3. The change that is reversible
- 4. The original substances present before a chemical reaction
- 6. A change in which the internal structure does not change