Write the letter of the matching definition next to each term.
1. chemical
A. A salt or ester of ___ acid
2. pH
B. The analysis of a vector field
3. reactants
C. A compound of sulphur and some other element that is more electropositive
4. combination
D. A liquid substance capable of dissolving other substances
5. hydroxide
E. A chemical substance that is present at the start of a chemical ___ (plural)
6. products
F. Any of various water-soluble compounds having a sour taste and capable of turning litmus red
7. decomposition
G. The dialect of Ancient Greek spoken and written in Attica and Athens and ___
8. sulfate
H. Bottom part something stands on; a safe spot in baseball
9. endothermic
I. A collection of things that have been ___
10. combustion
J. A process in which a substance reacts with oxygen to give heat and light
11. carbonate
K. Substance used in or made by chemistry
12. exothermic
L. The dissolved matter in a ___
13. neutralisation
M. A compound of an oxide with water
14. ammonium
N. The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter
15. precipitate
O. The ion NH4 derived from ___
16. acid
P. A coloring material that turns red in acid solutions and blue in alkaline solutions
17. nitrate
Q. Occurring or formed with the liberation of heat
18. solute
R. A chemical reaction in which an acid and a base interact with the formation of a salt
19. base
S. A ___ solid substance in suspension or after settling or filtering
20. solvent
T. Any compound containing the ___ group
21. indicator
U. Occurring or formed with absorption of heat
22. sulfide
V. A salt or ester of sulphuric acid
23. ionic
W. Commodities offered for sale (plural)
24. litmus
X. A number or ratio derived from a series of observed facts