Pure And Impure...

Common salt is an example of

Which of the following is an element?

Example of an element is

Glass has the elements:

Which of the following is a polyatomic element?

Which of the following is a compound?

The symbol for potassium is

Which of the following is highly compressible?

Why does balloon burst with a sound when it is pricked with a needle?

Which of the following has the highest kinetic energy?

Which of the following can be separated by the methods of sedimentation and decantation?

By which method can you separate a mixture of NaCl and water?

A compound is made up of elements X and Y. The equivalent weight of X is one-fourth its atomic weight and the equivalent weight of Y is half its atomic weight. Therefore, the formula of the compound is

Chemical formula for water glass is

Dead burnt plaster is

Which of the following is the formula for ferric sulphate?

The formula for aluminium chloride is Al_aCl_b, where a and b have the values

When iron filings are heated in a steam of dry hydrogen chloride, the compound formed is FeCl_x, where 'x' is

Chemical name of 'Blue Vitriol' is

What is the molecular formula of glucose?