Chemistry Test ...

Temporary hardness is due to the presence of

In known elements, the maximum number is of

Ethanol is converted into ethoxy ethane,

Which is the gas used for making vegetables and vanaspathi from vegetable oils?

Brass gets discoloured in air because of the presence of which of the following gases in air ?

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm³ at 27°C is to a volume of 100 dm^3.

The difference between a nuclear reactor and atomic bomb is that ___________

The metal which reacts most violently with with cold water is

In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is

1) A₂B₅

2) A₃B₂

3) A₂B₃

4) A₃B₄

Which one of the following is not a mixture