I am Rishabh Singh creator of Rishi S Classes RU-vid Channel (free source for education) provides you semester wise lectures Mathematics and Chemistry for BSc 1st year, BSc 2nd year & BSc 3rd year.

To prepare everyone for their upcoming exams, this channel is providing fully completed courses.

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🎯 BSc 6th semester chemistry
🎯 BSc 1st semester mathematics
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