Across
- 2. New material formed in a chemical reactions.
- 6. Reactions that release heat.
- 7. Process in which a metal is attacked by moisture, acids etc.
- 8. Process in which zinc is coated on iron to prevent rusting
- 14. Reactions that absorb heat from surroundings.
- 15. Substance that gets oxidized.
- 18. Reaction in which a highly reactive metal displaces a less reactive metal.
- 19. Substance that speeds up a chemical reaction.
- 20. Equations that are not balanced.
- 22. Reactions in which a substance gains oxygen or loses hydrogen.
- 23. Reactions in which a substance gains hydrogen or loses oxygen.
- 25. Equations that are balanced.
- 26. Substance that gets reduced.
Down
- 1. Reactions in which two reacting molecules exchange their ions.
- 3. Arrangement of metals in the descending order of their reactivities.
- 4. Type of decomposition in which heat is used for breaking down substances.
- 5. Type of decomposition in which sunlight is used for breaking down substances.
- 9. Reactions in which a single new product is formed by combining of reactants.
- 10. Type of double displacement reaction in which a solid insoluble salt is formed.
- 11. product produced when iron reacts with oxygen and water.
- 12. Reactions in which both oxidation and reduction takes place.
- 13. chemical substances that react to form a new substance.
- 16. Type of decomposition in which electricity is used for breaking down substances.
- 17. Reactions in which a complex molecule breaks down to form two or more simpler products.
- 21. Type of double displacement reaction in which an acid reacts with a base to form salt and water.
- 23. Process in which fats and oils are oxidized.
- 24. New material formed in a chemical reaction but is not the main product.
