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Fundamentals of Chemistry Download here
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***** مستقل بولتا ہی رہتا ہوں کتنا خاموش ہوں میں اندر سے جونؔ ایلیا ***** ***** میرے انکارِ پرستش نے بچایا ہے مجھے سر جھکا دو...
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Solution of Important Numericals of XI Chemistry New Text Book https://www.facebook.com/media/set/?set=a.3199653303500616&type=3
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Test Questions on Chapter # 4, Gaseous State Q1. State Avogadro’s law and Charles law. Q2. Explain pressure and its various units. ... -
Allotropy and Allotropic Forms Definition of Allotropy Many elementary substances exist in two or more crystalline forms differing ...
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