Chemical reactions
Name: ______________________ Date: ____________
Write the letter of the matching item on the line next to each number.
1. Chemical
A. A chemical reaction in which an acid and a base interact with the formation of a salt
2. PH
B. Substance used in or made by chemistry
3. Hydroxide
C. Occurring or formed with absorption of heat
4. Decomposition
D. A process in which a substance reacts with oxygen to give heat and light
5. Sulfate
E. The analysis of a vector field
6. Endothermic
F. A compound of an oxide with water
7. Combustion
G. Bottom part something stands on; a safe spot in baseball
8. Exothermic
H. A number or ratio derived from a series of observed facts
9. Neutralisation
I. The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter
10. Acid
J. A liquid substance capable of dissolving other substances
11. Base
K. A salt or ester of sulphuric acid
12. Solvent
L. Any of various water-soluble compounds having a sour taste and capable of turning litmus red
13. Indicator
M. Occurring or formed with the liberation of heat