Grade 10 SBA 2026 Revision: Chemistry, All 19 Questions with Full Solutions

Revise Grade 10 Chemistry with every question from the Grade 10 School-Based Assessment (SBA) 2026 written test, written in our own words and solved step by step. Question 8 is not included. How to use this video: read each question and try it during the countdown. Pause if you need more time. Then watch the numbered steps, and check your answer, the marks and the most common mistake. Use the chapters to jump to any question. CHAPTERS 0:00 Introduction: how to use this video 0:09 Question 1: Match the structures to their bonding 0:44 Question 2: Order the Group II metals by reactivity 1:19 Question 3: Protons, neutrons and electrons in K⁺ 1:55 Question 4: Which pair of solutions gives a precipitate? 2:31 Question 5: Predict astatine from the halogen trend 3:06 Question 6: Steps to make magnesium sulphate crystals 3:46 Question 7: How lime changes the pH of acidic soil 4:22 Question 9: Balanced equation for magnesium nitride 4:59 Question 10: Two elements with the same mass number 5:43 Question 11: Branches of chemistry for medicines and energy 6:20 Question 12: Relative atomic mass of zinc from a graph 7:05 Question 13: Smoking, carbon monoxide and the heart 7:49 Question 14: Dot and cross for water and H₃O⁺ 8:31 Question 15: Indicators: acidic, basic or neutral? 9:11 Question 16: Acid salts, deliquescent and efflorescent 9:58 Question 17: Hydrogen bonding in H–X molecules 10:34 Question 18: Iron(III) sulphate and oxidation numbers 11:13 Question 19: Find the element from its electron arrangement 11:50 Question 20: Preparing and testing chlorine 12:28 Well done and what next FULL LESSONS FOR THESE QUESTIONS Questions 3, 10: Playlist 1, Video 1: What is inside an atom? :    • Grade 10 CBC/CBE Chemistry | What is insid...   Question 12: Playlist 1, Video 2: Isotopes and relative atomic mass :    • Grade 10 CBC Chemistry | isotopes and rela...   Question 19: Playlist 1, Video 4: Electron configurations for elements 1 to 20 :    • Grade 10 CBC Chemistry  | Electron configu...   Question 18: Playlist 2, Video 2: Valency and oxidation numbers :    • Grade 10 CBC/CBE Chemistry: Valency, and O...   Question 9: Playlist 2, Video 4: Writing and balancing equations :    • Grade 10 CBC/CBE Chemistry: Balance Any Ch...   Question 14: Playlist 3, Video 2: Covalent bonds:    • Grade 10 CBC/CBE Chemistry: Covalent Bonds...   Question 17: Playlist 3, Video 3: Forces between molecules, and metallic bonding:    • Grade 10 CBC/CBE Chemistry: Forces Between...   Question 1: Playlist 3, Video 4: Structure, properties and uses :    • Grade 10 CBC/CBE Chemistry: Structure, Pro...   Comment the question you found hardest, and we will make more practice on it. Subscribe to SP-SCiLearn for more revision. #Grade10 #Chemistry #SBA2026 #CBC #Revision