AMMONIUM SALTS
Ammonium salts are prepared by dissolving ammonia in the appropriate acid or neutralising aqueous ammonia with the appropriate acid. The ammonium salts are then separated out of the solution by ...
INTRODUCTION TO CARBON
Carbon occurs naturally as diamond and graphite. It also occurs in an impure form as coal and in the combined state as carbon (IV) oxide, natural gas, petroleum and wood ...
OCTANE NUMBER
Octane number (octane rating) is a measure of the performance of petrol in the engine and the rating depends on the percentage composition of branched chain (iso-octane) to straight chain ...
CRACKING AND REFORMING
CRACKING Cracking is the process of further treatment of crude oil fractions in which bigger hydrocarbon fractions are broken down into smaller hydrocarbon fractions. It consists of heating the hydrocarbons ...