Acids and salt assessment

1. Definitions and properties

a. Highlight which of the following is a basic oxide.

•Lithium oxide
•Aluminium oxide
•nitrogen dioxide

b. Define what is meant by a strong acid.

c. For the weak alkali ethyl amine, predict its likely pH (at 1 mol/dm), and the
colour it will turn universal indicator.

d. Explain two ways strong acids can be differentiated from weak acids without
the use of universal indicator.