✅ Question 1 & 2: 5(E) + 7(B) each = 12 marks each
📘 Practical Notebook: 3 marks (Lab Examiner)
🎤 Viva Voce: 3 marks (Lab Examiner)
📝 Ink recordings + tabular observations + labelled diagrams
⚖️ Molarity calc: ±5% error full credit; -1 per extra 2% error
🔧 Non-availability substitute recorded in answer book & examiner report