Across
- 1. hydrogen and oxygen combine to form
- 5. when 1 reactant decompose to form 2 products
- 9. reaction in which heat and energy are absorbed
- 12. process of gaining oxygen
- 13. process of losing oxygen
- 14. process fat and oil get oxidized and their smell changes
Down
- 2. reaction in which heat is produced
- 3. when a substance like moisture attacks metal, then it is said to be _____
- 4. when 2 reactants combine to form a single product
- 6. insoluble substance formed during a reaction
- 7. heat is represented in which shape in a reaction
- 8. respiration is a _______ reaction
- 10. slaked lime is used for _____
- 11. the word ______ is written if a reactant or product is present as a solution in water