Bauxite is used as raw material by which industry?
The melting point of ice is ............K.
The pollutant responsible for ozone holes is
Teeth and Bones acquire strength and rigidity from
Optical fibre works on the principle of
Identify the odd term amongst the following groups.
Which of the following vitamins help in the absorption of calcium?
Which of the following pairing is incorrect?
SMOG is a combination of
The temperature at which a solid melts to become a liquid at atmospheric pressure is called..........