10th Class Chemistry Chapter Water Video Lectures in Urdu

Sibghat Ullah Hashmi

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  • Muhammad Ali

    Muhammad Ali

    15 Dec 2018

    Sir please upload extensive hydrogen bonding u did not posted that thanks

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  • ali

    ali

    27 Nov 2018

    sir ap nay soft and hard water kay lecture upload nahi kiye please jaldi say soft and hard water k lecture upload kar do

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