Basic Of chemistry: https://youtu.be/u3ITi1t4hg4 Namaskar Doston, Apka Is video mein bahut bahut swagat hai is video mein HDA ye chemistry part 2 ka important chapter hai , is chapter ko explain kiya hu . thanku. Share, Support, Subscribe!!! Subscribe: https://www.youtube.com/channel/UCh7qsTmcCu5dmuN3TpgoZ4w?view_as=subscriber?sub_confirmation=1 Youtube: https://www.youtube.com/channel/UCh7qsTmcCu5dmuN3TpgoZ4w?view_as=subscriber Twitter: https://twitter.com/ChemicalVidya Facebook: https://www.facebook.com/Chemical-Vidya-1179540072156464/ Instagram: https://www.instagram.com/chemical_vidya/ Google Plus: https://plus.google.com/u/0/115175712011781460183 Website: www.chemicalvidya.com