Explain distillation with the help of neat and labelled diagram. Also describe in detail how salt can be separated from seawater.

Classify the following as elements, compounds or mixtures:

1. Honey                     

2. Carbon dioxide

3. Asbestos

4. Saliva

5. Nitre

6. Blood

7. Gun powder

8. Gold

9. Bronze

10. Aluminium

11. Glucose

12. Silicon

Name the technique that you would use to separate the following mixture:

Mercury $+$ water $\to$

Name the technique that you would use to separate the following mixture:

Chalk $+$ water $\to$

Name the technique that you would use to separate the following mixture:

Mud $+$ water $\to$

Name the technique that you would use to separate the following mixture:

Salt $+$ water $\to$

Name the technique that you would use to separate the following mixture:

Chloroform (bp $61°\mathrm{C}$) and ethyl alcohol (bp $78, 3°\mathrm{C}$)

Name the technique that you would use to separate the following mixture:

Oil $+$ water $\to$

Show schematically how the following solution separation can be carried out :

• $\mathrm{Nitre}+\mathrm{Charcoal}+\mathrm{Sulphur}$