Across
- 3. (of a reaction or process) accompanied by or requiring the absorption of heat.
- 9. A distinct compound or substance, especially one which has been artificially created .
- 10. Measure (unit) of how acidic or alkaline a substance or mixture is.
- 12. a chemical reaction where an acid and a base react to form a salt and water, resulting in a more neutral solution
- 14. the process or result of oxidising or being oxidised.
- 15. the process used by green plants, algae, and some bacteria to convert light energy into chemical energy
Down
- 1. Built on acid(s)
- 2. a new substance that is formed as a result of a chemical reaction
- 4. (of a reaction or process) accompanied by the release of heat.
- 5. a substance that takes part in and undergoes change during a reaction.
- 6. The process of burning something
- 7. having the properties of an alkali, or containing alkali; having a pH greater than 7.
- 8. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape, and no fixed volume
- 11. A chemical process in which substances act mutually on each other and are changed into different substances.
- 13. having the properties of an acid, or containing acid; having a pH below 7