Explain the purification of compounds by using thin layer chromatography.

Mention one use of Chromatography.

Explain electronic configuration of anion using N.

Draw the diagram of an electrolytic cell used in the purification of copper and label in the purification of copper and label the electrode having impure copper.

Explain the uplift of air craft by using Bernoulli theorem .

The compound used in lead accumulators is

The compound is used as:

Explain electrodialysis for the purification of colloid.

Explain the origin of simple organic compounds on the primitive earth.