Across
- 1. new substance formed during or after chemical reaction
- 3. increase in size
- 5. change in which new substance forms
- 7. milk changing to curd
- 9. original substance present in the reaction
Down
- 2. substance that does not undergo any change in a chemical reaction
- 4. a change in which no new substance is formed
- 6. melting of wax
- 8. iron gets corroded