Across
- 2. A process in which a substance loses oxygen or gains hydrogen
- 4. A chemical reaction that occur by the absorption of heat.
- 7. A decomposition reaction that takes place using heat.
- 8. A process in which a substance gains oxygen or loses hydrogen
- 9. A substance that helps oxidation by donating oxygen or removing hydrogen.
- 12. A process in which one or more substances are transformed into new substances.
- 13. The slow oxidation of fats and oils resulting in the change of smell and taste in them..
- 14. A reaction in which ions or group of atoms are exchanged between two compounds forming new compounds
- 18. A representation of a chemical reaction using the names of the reactants and products.
- 20. A reaction that involves both oxidation and reduction happening simultaneously.
- 21. A substance that increases the rate of a chemical reaction without itself undergoing any change.
- 22. A substance that helps reduction by removing oxygen or donating hydrogen.
- 23. The slow degradation of metals due to reactions with moisture, air, or chemicals, like rusting.
Down
- 1. A reaction where a single reactant breaks down into two or more products.
- 3. A reaction where two or more substances combine to form a single product.
- 5. A reaction in which a more reactive element replaces a less reactive one from its compound.
- 6. The substances that take part and undergo change in a chemical reaction
- 10. A chemical equation with equal numbers of each type of atom on both sides.
- 11. The new substances formed after a chemical reaction.
- 15. A chemical equation that shows only the formulas of the reactants and products without balanced quantities.
- 16. A chemical reaction that is accompanied by the evolution of heat
- 17. A decomposition reaction that involve the use of light energy.
- 19. The chemical decomposition of a substance using electrical energy.