Across
- 3. A substance that takes part in and undergoes change during a reaction
- 5. thing, especially a trend or fact, that indicates the state or level of something
- 8. the state or process of rotting decay
- 10. combination or composition, in particular
- 11. A substance that increases the rate of a chemical reaction
Down
- 1. Reactions process that involves rearrangement of the molecular or ionic structure of a substance
- 2. A chemical substance that neutralizes alkalis
- 4. Of Mass a principle stating that mass cannot be created or destroyed
- 6. the branch of science that deals with the identification of the substances
- 7. cause (an event or situation, typically one that is bad or undesirable) to happen suddenly, unexpectedly, or prematurely
- 9. An article or substance that is manufactured or refined for sale