Episode – 77 || Chemistry || परासरण (Osmosis – RO + UV + UF) || By – R. Kumar

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Shivkumar gawar
October 2, 2020, 12:51 pm

Bahut acha samjhaya sir ji parasarnd

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Priya prajapati
September 11, 2020, 10:20 am

Sir smoke gas & solid na kolide solution kaise hota h ? Q2- normal hand pump kis process se purify hokar water ata h? Thanks sir ji..

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ANKIT PANDEY
September 10, 2020, 11:31 pm

Sir Meri class Kyu nhi chal rhi hai

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Saurabh Kumar chaudharee
September 10, 2020, 10:49 pm

Interesting class sir 🙏🙏🙏🙏

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Funfun Kumar Baitha
September 10, 2020, 9:44 pm

sir episode 75 me 3-4 question puchhe hai uska ans de dijiye please sir

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Kavita
September 10, 2020, 8:01 pm

Kavita