SSC CGL Chemistry Notes

Newlands' octaves and Mendeleev's predictions, group names and blocks, periodic trends, element names, Dalton, Rutherford and isotopes.

General formulas of alkanes, alkenes and alkynes, common names, flames and boiling points, alcohols and acids, Grignard and Rosenmund.

Combination and decomposition with textbook examples, physical and chemical changes, rancidity, oxidation and reduction, and reaction order.

Food preservatives, flavours and colours, the starch test, leavening, adulterants, helium and neon, sulphur hexafluoride and chloroform.

Acetic acid and vinegar, baking soda in milk and fire extinguishers, metals with dilute acids, and the strength of alkali hydroxides.

Avogadro's number, percentage composition, balancing equations, and the laws of chemical combination with Lavoisier, Proust, Dalton and Avogadro.

Formulas from valencies, variable valency, -ous and -ic names, oxidation numbers, and the atomicity of helium, chlorine, ozone and phosphorus.