Matter in Our Surroundings - Assertion and Reason Based Questions | Class 9 Chemistry Chapter 1
👉Previous Video: • Matter in Our Surroundings - Multiple Choi... 👉Next Video: • Matter in Our Surroundings - Most Importan... ======================================================= ✔️📚👉 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: • Class 9 Science (Tazmeen Ma'am) | Complete... ✅ In this video, ✔️ Class: 9th ✔️ Subject: Chemistry ✔️ Chapter: Matter in Our Surroundings (Chapter 1) ✔️ Topic Name: Assertion and Reason Based Questions ✔️ Topics Covered In This Video (by Tazmeen Ma'am): In this captivating video, Ma'am guides you through the fascinating realm of Class 9th Chemistry, focusing on the topic of 'Assertion and Reason Based Questions' within Chapter 1 "Matter in Our Surroundings." Dive deep into the captivating world of science as we explore key concepts essential for success in your studies. Join us as we simplify complex topics and make learning fun and engaging for all Class 9th students. ======================================================= 00:00 Introduction: Matter in Our Surroundings - Assertion and Reason Based Questions 04:17 Assertion and Reason Based Questions: (Que. 1 to 1) - Que. 1 Assertion (A): A gas can easily be compressed by applying pressure. 13:16 Que. 2 Assertion (A): Gases exert pressure on the walls of the container. Reason (R): The intermolecular force of attraction is very strong in gases. 17:51 Que. 3 Assertion (A): It is easier to cook food at sea level as compared to higher altitudes. Reason (R): The boiling point of water increases at high altitudes. 21:08 Que. 4 Assertion (A): When a solid melts, its temperature remains the same. Reason (R): The heat gets used up in changing the state by overcoming the forces of attraction between the particles. 26:54 Que. 5 Assertion (A): The solids do not diffuse in air. Reason (R): The particles are loosely packed in solids. 29:43 Que. 6 Assertion (A): The boiling point of water is 100 C. Reason (R): The boiling point of water increases at higher altitudes. 32:03 Que. 7 Assertion (A): The conversion of a solid directly into a gas is known as sublimation. Reason (R): Naphthelene does not leave residue when kept open for sometime. 36:59 Que. 8 Assertion (A): lce floats on water. 42:59 Que. 9 Assertion (A): Camphor burns with a lot of residue. 44:59 Que. 10 Assertion (A): The rate of evaporation increases with increase in temperature. 01:0:02 Website Overview ======================================================= Why study from Magnet Brains? Magnet Brains is an online education platform that helps to gives you NCERT/CBSE curriculum-based full courses free 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: / @magnetbrainseducation ➡️ Subscribe to Magnet Brains Hindi Medium: / @magnetbrainshindimedium ➡️Facebook:- https://www.magnetbrains.com/out/face... ➡️Telegram:- https://www.magnetbrains.com/out/tele... ➡️Instagram:- https://www.magnetbrains.com/out/inst... #class9th #science #cbse2024_25 #class9 #magnetbrains #chapter1 #chemistry #matterinoursurroundingsclass9 #ncert2024 #session2024_25 #assertion #reason #based #questions #question assertion reason questions class 9 science chapter 1 assertion reason questions class 9 chemistry class 9 science assertion and reasoning questions is matter around us pure class 9 assertion and reason assertion and reason based questions class 9 chemistry chapter 1 class 9 assertion and reasoning questions science 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."
