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Substances in Common Use | Std 9 | Science | Ch.14 | Maharashtra State Board

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Substances in Common Use | Std 9 | Science | Ch.14 | Maharashtra State Board

13 383 просмотра · 7 месяцев назад
Arrowmite - Free Visualized Lessons
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13 383 просмотра · 7 месяцев назад
In this video, we cover Chapter 14 – Substances in Common Use from the Maharashtra Board Class 9 Science textbook. This chapter explains important salts, radioactive substances, food colours, dyes, Teflon, ceramics, deodorants, and more used in our daily life. 🔹 Topics Covered: ✔ Important salts in daily life – Sodium chloride (NaCl) – Properties, preparation, electrolysis of brine Sodium bicarbonate (NaHCO₃) – Uses in baking, fire extinguisher Sodium carbonate (Na₂CO₃·10H₂O) – Washing soda & water softening Calcium oxychloride (Bleaching powder) – Disinfection & bleaching ✔ Water of crystallization & crystalline salts ✔ Soap vs Detergent ✔ Radioactivity – Alpha, Beta & Gamma rays ✔ Scientists like Henri Becquerel and Ernest Rutherford ✔ Uses & hazards of radioactive substances ✔ Artificial food colours & harmful effects ✔ Natural vs Artificial dyes ✔ Teflon coating – Properties & uses ✔ Ceramics, Porcelain & Powder coating ✔ Anodizing process This video includes clear explanations, chemical reactions, properties, uses, harmful effects, and exam-oriented points to help you score better in board exams. ======================================================= 🔍 Looking for in-depth answers to the questions covered in this lesson? You’re in luck! 🤓 Visit our website to access a comprehensive Q&A section that dives into the key concepts and details discussed in this video. 📚💡 🌐 Website Link: https://arrowmiteofficial.wixsite.com... ======================================================= ⏮ 𝗣𝗿𝗲𝘃𝗶𝗼𝘂𝘀 𝗩𝗶𝗱𝗲𝗼:    • Carbon: An Important Element | Std 9 | Sci...   ⏭ 𝗡𝗲𝘅𝘁 𝗩𝗶𝗱𝗲𝗼: Coming Soon. 📚 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁:    • MSBSHSE SSC Science Class 9   ======================================================= 𝗗𝗲𝘁𝗮𝗶𝗹𝘀 𝗼𝗳 𝘁𝗵𝗲 𝗩𝗶𝗱𝗲𝗼:- Board: MSBSHSE SSC Class: 9th Subject: Science Chapter No: 14 Lesson: Substances in Common Use ======================================================= 𝗙𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗶𝗻𝘁𝗲𝗿𝗲𝘀𝘁𝗶𝗻𝗴 𝘃𝗶𝗱𝗲𝗼𝘀:- 🔔 Don’t forget to Hit 𝗦𝗨𝗕𝗦𝗖𝗥𝗜𝗕𝗘 button and turn on the notification so you never miss any update! 👍 𝗟𝗶𝗸𝗲 this video if you find this video helpful. ✍️ If you have any lessons requisition or suggestion feel free to write it in comment box. ======================================================= 𝗖𝗼𝗻𝘁𝗲𝗻𝘁𝘀 𝗼𝗳 𝘁𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼:- 00:00 - Introduction 00:26 - Can you Recall? 02:15 - Important Salts in Daily Life 03:15 - Try This! 04:46 - Table Salt 09:21 - Bleaching Powder 11:01 - Washing Soda 13:10 - Some Crystalline Salts 14:54 - Soap 16:35 - Radioactive Substances 17:26 - Introduction to Scientists 18:23 - Nature of Radioactive Radiation 20:18 - Natural Radioactivity 25:39 - Chernobyl Disaster 27:34 - Food Colours and Essences 29:13 - Dye 30:17 - Artificial Dyes 31:29 - Artificial Colours 34:02 - Deodorant 35:34 - Teflon 37:18 - Powder Coating 38:20 - Anodizing 39:35 - Ceramic 40:31 - Porcelain 41:24 - Bone China ======================================================= 𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝗨𝘀:- ►Website: https://arrowmiteofficial.wixsite.com... ►YouTube:    / @arrowmite   ►Email: arrowmite.official@gmail.com #Class9Science #SubstancesInCommonUse #MSBSHSE #MaharashtraBoard #Chapter14Science #ImportantSalts #Radioactivity #AlphaBetaGammaRays #FoodColours #ArtificialDyes #TeflonCoating #Ceramics #WaterOfCrystallization #SodiumChloride #BoardExamPreparation ====================================================== 𝗖𝗿𝗲𝗱𝗶𝘁𝘀: Pexels https://www.pexels.com/ Pixabay https://pixabay.com/ Freepik https://www.freepik.com/ Vecteezy https://www.vecteezy.com/