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Some Basic Concepts of Chemistry - NCERT Solutions (Part 2) | Class 11 Chemistry Ch 1 | CBSE 2025-26

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Magnet Brains

CBSE ( Class 11 )

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👉Previous Video: https://www.youtube.com/watch?v=r7L0-AYfoLY 👉Next Video: https://www.youtube.com/watch?v=CfPV6QnV388 ======================================================= ✔️📚👉 Watch Full Free Course Videos: https://www.magnetbrains.com/ ✔️📚👉 Grab E-book & E-Notes by Expert Teachers Here: https://www.magnetbrains.com/notes ======================================================= 📢 Full Playlist Link: https://www.youtube.com/playlist?list=PLVLoWQFkZbhVZkRbl1jBvgRr1VAnOeQ01 ✅ In this video, ✔️ Class: 11th ✔️ Subject: Chemistry ✔️ Chapter: Some Basic Concepts of Chemistry (Chapter 1) ✔️ Topic Name: Some Basic Concepts of Chemistry - NCERT Solutions (Part 2) ✔️ Topics Covered In This Video (By Hemant Sir): This video provides NCERT Solution (Part 2) of Chapter 1 Some Basic Concepts of Chemistry from class 11 Chemistry. Learn all this and more with Hemant Sir in this detailed lecture. ======================================================= 00:00:00 Introduction Some Basic Concepts of Chemistry - NCERT Solutions (Part 2) 00:01:32 Que. 17 A sample of drinking water was found to be severely contaminated with chloroform, CHCl, supposed to be carcinogenic in nature.The level of contamination was 15 ppm (by mass). (i) Express this in percent by mass. (ii) Determine the molality of chloroform in the water sample. 00:28:10 Que. 21-25 The following data are obtained when dinitrogen and dioxygen react together to form different compounds: Mass of dinitrogen Mass of dioxygen (i) 14g 16g | (ii) 14g 32g (iii) 289 329 (iv) 28g 80g (a) Which law of chemical combination is obeyed by the above experimental data? 01:22:18 Website Overview ================================================================= Why study from Magnet Brains? Magnet Brains is an online education platform that helps gives you NCERT/CBSE curriculum-based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. 👉 Contact us 🤑🤑 ➡️ Connect with us: [email protected] ➡️ Website: https://www.magnetbrains.com/ ➡️ Subscribe to us on YouTube: https://www.youtube.com/channel/UC3HS6gQ79jjn4xHxogw0HiA?sub_confirmation=1 ➡️ Subscribe to Magnet Brains Hindi Medium: https://www.youtube.com/channel/UCwO6AYOIRYgyP1KJ5aPbDlw?sub_confirmation=1 ➡️Facebook:- https://www.magnetbrains.com/out/facebook ➡️Telegram:- https://www.magnetbrains.com/out/telegram ➡️Instagram:- https://www.magnetbrains.com/out/instagram_main #ncertsolutions #part2 #class11chemistry #magnetbrains #class11chemistrychapter1 #class11chemistryncert #somebasicconceptofchemistry #ncertsolution #numericals #chemistryproblems some basic concepts of chemistry ncert solution part 2 some basic concepts of chemistry numerical problems some basic concepts of chemistry questions and answers some basic concepts of chemistry ncert some basic concepts of organic chemistry class 11 ncert solutions some basic concepts of chemistry ncert solutions class 11 chemistry chapter 1 Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."

👉Previous Video: https://www.youtube.com/watch?v=r7L0-AYfoLY 👉Next Video: https://www.youtube.com/watch?v=CfPV6QnV388 ======================================================= ✔️📚👉 Watch Full Free Course Videos: https://www.magnetbrains.com/ ✔️📚👉 Grab E-book & E-Notes by Expert Teachers Here: https://www.magnetbrains.com/notes ======================================================= 📢 Full Playlist Link: https://www.youtube.com/playlist?list=PLVLoWQFkZbhVZkRbl1jBvgRr1VAnOeQ01 ✅ In this video, ✔️ Class: 11th ✔️ Subject: Chemistry ✔️ Chapter: Some Basic Concepts of Chemistry (Chapter 1) ✔️ Topic Name: Some Basic Concepts of Chemistry - NCERT Solutions (Part 2) ✔️ Topics Covered In This Video (By Hemant Sir): This video provides NCERT Solution (Part 2) of Chapter 1 Some Basic Concepts of Chemistry from class 11 Chemistry. Learn all this and more with Hemant Sir in this detailed lecture. ======================================================= 00:00:00 Introduction Some Basic Concepts of Chemistry - NCERT Solutions (Part 2) 00:01:32 Que. 17 A sample of drinking water was found to be severely contaminated with chloroform, CHCl, supposed to be carcinogenic in nature.The level of contamination was 15 ppm (by mass). (i) Express this in percent by mass. (ii) Determine the molality of chloroform in the water sample. 00:28:10 Que. 21-25 The following data are obtained when dinitrogen and dioxygen react together to form different compounds: Mass of dinitrogen Mass of dioxygen (i) 14g 16g | (ii) 14g 32g (iii) 289 329 (iv) 28g 80g (a) Which law of chemical combination is obeyed by the above experimental data? 01:22:18 Website Overview ================================================================= Why study from Magnet Brains? Magnet Brains is an online education platform that helps gives you NCERT/CBSE curriculum-based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. 👉 Contact us 🤑🤑 ➡️ Connect with us: [email protected] ➡️ Website: https://www.magnetbrains.com/ ➡️ Subscribe to us on YouTube: https://www.youtube.com/channel/UC3HS6gQ79jjn4xHxogw0HiA?sub_confirmation=1 ➡️ Subscribe to Magnet Brains Hindi Medium: https://www.youtube.com/channel/UCwO6AYOIRYgyP1KJ5aPbDlw?sub_confirmation=1 ➡️Facebook:- https://www.magnetbrains.com/out/facebook ➡️Telegram:- https://www.magnetbrains.com/out/telegram ➡️Instagram:- https://www.magnetbrains.com/out/instagram_main #ncertsolutions #part2 #class11chemistry #magnetbrains #class11chemistrychapter1 #class11chemistryncert #somebasicconceptofchemistry #ncertsolution #numericals #chemistryproblems some basic concepts of chemistry ncert solution part 2 some basic concepts of chemistry numerical problems some basic concepts of chemistry questions and answers some basic concepts of chemistry ncert some basic concepts of organic chemistry class 11 ncert solutions some basic concepts of chemistry ncert solutions class 11 chemistry chapter 1 Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."

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