Who gave the Title of “RAJA” to raja Ram

As an air bubble rises from the bottom of a lake to the surface, it will:

The nucleus of an atom consists of-

Which of the following metals is the lightest? 

Which of the following oxides is soluble in water?

Which of the following component imparts green colour to leaves?

The first nuclear reactor made in India is named:

The Polymer used for Electrical insulation buttons is

Match the following gases with their typical uses:

List I (Gas)                               List II (Uses)

Which chemical compound is commonly used in baking to provide more volume and a lighter texture to baked goods?

What happens when camphor is heated?