Chemistry of the Environment Part 1 | IGCSE (0620 & 0971) & O level (5070) Chemistry Unit 10.1 Water
📚 Part of the classroom series for Chemistry IGCSE (0620 and 0971) & O level (5070), this video is Part (1/2) of Chemistry of Environment covering Unit 10.1 – Water. This lesson explains everything you need for exams: chemical tests for water, purity of water, distilled water, substances in natural water, and the complete domestic water treatment process. Using real exam-style explanations, easy memory techniques, and simplified diagrams, this lesson builds a perfect foundation for students aiming for Grade 9 / A* in IGCSE Chemistry. 🔍 What This Video Covers Chemical tests for water using anhydrous cobalt(II) chloride and anhydrous copper(II) sulfate How to check purity of water using melting and boiling points What distilled water is and why it is used instead of tap water in chemistry labs Beneficial vs harmful substances in natural water (dissolved oxygen, minerals, plastics, sewage, microbes, nitrates, phosphates) Step-by-step domestic water treatment process: screening, sedimentation, filtration, activated carbon, and chlorination 🎓 Board and syllabus information: IGCSE Cambridge (CAIE or CIE) 0620 and 0971 - Included in core syllabus Edexcel - In syllabus GCSE AQA - In syllabus Edexcel - In syllabus OCR Gateway- In syllabus WJEC - In syllabus Cambridge O Level 5070 - In syllabus For Cambridge IGCSE this is covered as: Chapter 10 - Chemistry of the environment Topic 10.1 - Water 🎯 Why This Video Matters for IGCSE/O Level Students This lesson directly prepares you for: Paper 2 & Paper 4 short-structured questions Paper 6 alternative-to-practical questions Definitions and explanations frequently repeated in past papers Understanding diagrams from the Cambridge syllabus Whether you are self-studying or preparing with a teacher, this video gives you clear, exam-ready explanations. 👩🏫 Checkout the classroom series playlists: (Maths) Full course with Topical PYQ's - • 🔢 Maths Classroom series with Topical PYQ... (Additional Maths) Full course with Topical PYQ's - • 🔢 Additional Maths Classroom series with ... (Physics) Full course with Topical PYQ's - • 🧲 Physics Classroom series with Topical PY... (Chemistry) Full course with Topical PYQ's - • ⚛️ Chemistry Classroom series with topical... (English) Full course - • ✍️ English Classroom series with topical P... 🧪 Perfect for These Exams Cambridge IGCSE Chemistry (0620/0971) Cambridge O Level Chemistry (5070) Checkpoint & Lower Secondary learners revising environmental chemistry School exams (Grades 9–11) covering water purification & environmental chemistry ⏰ Timestamps: 00:40 – What We Will Cover in This Video 01:14 – Chemical Tests for Water 03:30 – Purity of Water (Melting & Boiling Point) 04:42 – Distilled Water & Its Importance 05:59 – Uses of Water & Natural Sources 07:24 – Substances in Natural Water 08:24 – Water treatment 11:02 – Chlorination (Final Disinfection Step) 12:54 – Closing & Subscribe Message 👉 Watch now and start leveling up your learning. 📲 Subscribe and turn on notifications to never miss a lesson. Follow us @HoduAcademy daily updates: #igcsechemistry #olevelchemistry #chemistryoftheenvironment #watertreatment #purityofwater #chemicaltests #distilledwater #cambridgechemistry #0620chemistry #0971chemistry #5070chemistry
