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Noble Gases Lecture 2(in Hindi)
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Sd Chemistry is teaching live on Unacademy Plus

Sd Chemistry
M.SC CHEMISTRY GATE QUALIFIED CSIR NET JRF QUALIFIED goal to provide quality education to learners

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I really don't have a problem with Roman copying Vision IAS questions, but I wonder when he will come up with such good questions on his own, for if he does ever, we will have another good source to solve questions from. Otherwise, I can just unsubscribe from this course and buy Vision test papers and solve them. Because frankly, Roman's own questions from some days back are no match to those of Vision IAS.