The transition temperature between two allotropic forms of sulphur is
The carboxylic acid present in butter is
The Latin name of vinegar is____?
Radioactive disintegration of uranium ultimately results in formation of
Blood has been formed isotonic with
Tetraethyl lead is used as___?
Which allotrope of carbon is in rigid three dimensional structure to?
Sodium metal is kept under?
_____ discovered inert gases.
A mixture of water and alcohol can be separated by?
Who was the inventor of electron microscope?