Across
- 4. Reaction which produces heat
- 7. reactions in which ions are exchanged between two reactants forming new compounds
- 9. reaction any reaction in which an acid reacts with a base to form salt and water by the exchange of ions
- 10. addition of oxygen or non metallic element or removal of hydrogen or metallic element from a compound
- 11. it is the chemical reaction in which a more reactive element displaces a less reactive element displaces a less reactive element to form a compound
- 12. reaction in which one compound decomposes into two or more compounds and elements
- 13. reactions in which a compound decomposes due to sunlight
Down
- 1. decomposition of a substance on heating
- 2. it is the reaction in which a compound decomposes to form a into simpler compounds in the presence of electricity
- 3. it is a reaction in which heat is absorbed
- 5. it is a reaction in which two or more reactants combined to form compound
- 6. reaction in which precipitate is formed by the mixing of aqueous solution of two salts
- 8. it is the reaction in which both oxidation and reduction takes place simultaneously
