From the given responses, find the missing letter in

For what was Albert Einstein awarded Nobel Prize?

The phenomenon of splitting white light into its component colours is called:

Which organ in the human body is primarily responsible for filtering blood?

Food cans are coated with tin and not with zinc because

What is the name of the reaction in which acid reacts with base to form salt and water?

Chemical equation is balanced according to the law of

The spokes used in the wheel of a bicycle increase its –

The substance which conducts current in the solid state is –

Which vitamin can be synthesized in the liver?