Methane contributes towards global warming so it is called a _________________ gas.

 

___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.

One should use porcelain and not metal containers in a microwave oven because..

Which one of the following mixture is homogeneous?

Which of the following statements are CORRECT?

I. Oxides of metals are generally basic.

II. Oxides of non-metals are generally acidic.

III. Non-metals are generally electro positive.

In a water molecule, the ratio of mass of Hydrogen to the mass of Oxygen is always:

Identify a use of the isotope of uranium.

By how many atomic mass units do subsequent members of homologous series differ?

The maximum number of electrons that can be accommodated in a shell depends on the formula