chemistry practical # substitution reaction @ Deepankar Verma Sir

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Very good Sir ✍️🙏

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Good explanation sir ji

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Shi hi sir Ji mast

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Best work sir ......

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waaahhhh sir

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Nice brother

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The best teaching method brother 👌👌👌👌👌👍💖

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Nice work

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Good👍👍👍👍 sir

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Good bhaiya y❤

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Nice bro

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बहुत सुंदर भाई

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छा गये गुरू जी

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Very nice

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❤❤❤❤ good job bhaiya ❤

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Very informative class❤🎉

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❤❤

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Guruji ❤

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Women empowerment k liye bhut bda yogdan hoga

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Bahut chapua guru g