A Level Information Hub

Chemical Weapons The concerns about chemical weapons is taking a new height, particularly after the recent massacre in Syrian Soil. B...

Should you take further Maths? Very often have I been approached my students who are in dilemma whether they should take...

Polymers 1. Introduction Prior to the early 1920's, chemists doubted the existence of molecules having molecular weights grea...

IUPAC -recommended ring-lettering (left) and atom-numbering (right) of cholestane , a  prototypical  steroid skeleton. The four ri...