Manu went to watch film with his parents. In the dark, he found a small beam of light within which million of tiny particles were dancing. He thought, when there was light, no such beam appears. He was very surprised. He asked about this from his science teacher. His science teacher told him that was due to scattering of light.

Answer the following questions based on the given passage:

Why these were not appeared in the presence of light?

Manu went to watch film with his parents. In the dark, he found a small beam of light within which million of tiny particles were dancing. He thought, when there was light, no such beam appears. He was very surprised. He asked about this from his science teacher. His science teacher told him that was due to scattering of light.

Answer the following questions based on the given passage:

What values are exhibited by Manu?

Describe briefly the principle, theory and applications of the techniques used for the separation of following mixtures:

Two immiscible liquids.

Describe briefly the principle, theory and applications of the techniques used for the separation of following mixture:

Two miscible liquids whose boiling points differ by more than $25 °\mathrm{C}$.

Describe briefly the principle, theory and applications of the techniques used for the separation of following mixture:

Two miscible liquids whose boiling points differ by less than $25 °\mathrm{C}$.