_____ is used as filler in rubber tyres.

Production of chlorofluorocarbons (CFC) gas which is banned in India, was used in which of the following domestic products?

What is a mixture of potassium nitrate, powdered charcoal and sulphur called?

Mason was discovered by

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?