Give an example of a slat which gives an aqueous solution of pH less than 7.

_____ solution is used to treat a bee sting.

The force that a neutron exerts on a proton inside an atom is:

Weight of an object on the moon is ______ the weight of the object on earth.

___ elements have the largest atoms.

Atmospheric temperature increasing at the higher altitudes is called 

Which one of the following elements exhibits the greatest tendency to lose electrons? 

The planet which has the highest surface temperature is