Ammonium salts are prepared by dissolving ammonia in the appropriate acid or neutralising aqueous ammonia with the...
CHEMISTRY
Oxides are binary compounds formed when elements combine with oxygen. Binary compounds are compounds containing two elements...
Iodine was discovered in 1812 by Courtois. Iodides occur in minute quantities in sea water. They are...
Graphite exists as black, slippery, hexagonal crystals. The carbon atoms in graphite, form flat layers, and are...
Carbon occurs naturally as diamond and graphite. It also occurs in an impure form as coal and...
Diamond is the purest form of naturally occuring carbon. It is found as colourless, lustreless solids which...
Ozone is an unstable triatomic molecule of oxygen. In 1866, J. Soret, demonstrated that ozone was an...
Octane number (octane rating) is a measure of the performance of petrol in the engine and the...
CRACKING Cracking is the process of further treatment of crude oil fractions in which bigger hydrocarbon fractions...
Science interprets nature in terms of energy and matter. Matter, the material of which the universe is...
