'The Great Indian Novel’ is written by _____ in which

Which of the following is the richest source of phosphorus?

Cinnabar is an ore of which metal?

Hydrogen was discovered by:

What are proteins chemically composed of?

Gunpowder consists of a mixture of:

The rate of evaporation increases with ______.

Which mineral is the ore Of aluminium ?

Radon, used in radiotherapy, belongs to which group on the periodic table?

Which chemical compound is used in the indelible ink for elections?

Identify the element that is NOT a metalloid.