Dear, inorganic chemistry deals with those compounds which does not consist of carbon and hydrogen in the same molecule. In this section of chemistry you have to emphasize on compounds like

Ammonia, Ammonium salts, Sulphur compounds

Sodium and it's derivatives, different inorganic acids like : HCl, H2SO4, HNO3 etc.

Other than that you will read about Iron Compounds, Limit tests of the compounds and different salts like

Copper Sulphate, Magnesium Sulphate (Epsom Salt)

Good luck !!