Скачать или смотреть PGTRB & Polytechnic TRB Chemistry, 1. Heterocyclic question & tricks

PGTRB & Polytechnic TRB Chemistry, 1. Heterocyclic question & tricks, Pyrrole, pyridine, quinoline, isoquinoline, thiophene, furan, electrophilic substitution reaction, Nucleophilic substitution reaction, reactivity, chlorination, sulphonation, acylation, acetylation, halogenation, important tricks which is useful for exams like NEET, CSIR, PGTRB, Polytechnic TRB, GATE, SLET, NET, JEE
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About my channel:
I was worked as a Research Scientist and also as a Teacher. In this channel, I am going to discuss some of the easiest tricks which is highly useful for time management during exams and to solve chemistry problems as many as possible. So, those who are preparing for the exams subscribe this channel and make use of it.