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Quick revision of Concepts
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Quick Revision of what we have studied till now.

A Sethi is teaching live on Unacademy Plus

A Sethi
PhD Chemistry (In Progress). Cracked tons of entrances like BITSAT, NDA, IIT-JAM, GATE, BARC, TIFR, DRDO among many others.

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Sir can you guide me for UPSC optional paper , please reply asap . Thank you :)