Discuss the action of air and light on ethers.

What is the action of air on sodium ?

Discuss the action of all the proteases.in digestion of food in humans.

Discuss the effect of air pollutants on plants.

The ether

Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids?

Discuss the mechanism of cleavage of ethers by halogen acids.

Describe the mechanism of enzyme action. Discuss the effect of various factors on the activity of enzymes

What is the action of air on (i)Alkali metals (ii) Provide chemical reaction equation to prove your answer.

Free-fall : Discuss the motion of an object under free fall. Neglect air resistance.

Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.