Cover all sections of syllabus before appear in examination either you are confident in some section or not because in exam from which section you get easy or difficult questions is totally unpredictable.
Spent...
Relation means in the real world how closely they know each other
there are many types of relation
Perfect positive relation -very Close
Positive relation -Close to each-other
Negative relation -Apart...
Organic chemistry is the study of compounds that contain carbon. It is one of the major branches of chemistry.
In 1815, a Swedish chemist J.J. Berzelius put forward vital force theory to explain the origin...