_______ metal is known as Chemical Sun.

The hardest substance obtained from nature is _______.

The first metal used by man is _______.

_______ liquid is known as Black Gold.

Galvanized iron is the iron plate coated with _______.

Substance used for dry cleaning is _______.

_______ is the liquid with highest density at room temperature.

______ is the liquid that has less density than that of water.

C.V.Raman got Nobel prize for ________.

Scientist Lavoisier is connected with _______.

Atreya is the father of _______.

Michael Faraday is connected with _______.

_______ is known as Flowing Gold.

The ore of mercury is known as _______.

_______is the lightest metal.

_______ metal is liquid at room temperature.

Chemical name of marble is _______.

_______ is the chemical name of Plaster of Paris.

Chemical name of Fractomphose is _______.

The compound which is used to make toothpaste is _______.

_______ is the basis of life on earth.

Chemical name of Blue Vitriol is _______.

_______is painted on photographic plate.

All living things are called organisms and they are made up of ____.

_______ is used in fast breeder reactors as coolant.