C) volume
.........
The volume of gas depends on e.g. temperature and pressure.
Answer:
is capable of combining with oxygen to form iron oxide
By adding acid to a basic solution of pH 12, the overall solution
becomes less basic and the Ph of solution decreases to a value of 7, which is
known as the pH of a neutral solution, i.e neither basic nor acidic. This process
is called neutralizing the base.
