What is the toughest material on earth?

Out of the seven colours of the rainbow, which one is in the middle?

In computer science, what does USB stand for?

First man to land on the moon?

What is the chemical formula of sulphuric acid?

Who has discovered radium.

What is the full form of ISRO

What is SI unit of power

Which bacteria is responsible for the formation of curd

Which one of the following waves are used by the common TV remote control?

The cooking gas (LPG) mainly consists of:

Which of the following is used as fuel in cars along with petrol?

What is the atomic number of carbon?

Which of the following is a noble gas?

Which of the following has the highest pH value?

Which among the following is an important source of sugar?

Which among the following is largest gland in a human body?

The male sex hormone is

What is the chemical name of baking soda?

What is marsh gas