(i) Copy and complete the following table: Column 3 has the names of gases to be prepared using the substance you enter in column 1 along with dilute or concentrated sulphuric acid as indicated by you in column 2
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid (H2SO4) | Gas |
| (a) | | Hydrogen |
| (b) | | Carbon dioxide |
| (c) | | Only chlorine |
(ii) Write the equations for the laboratory preparation of:
(a) Sodium sulphate using dilute sulphuric acid.
(b) Lead sulphate using dilute sulphuric acid.
