CBSE Class 12 Chemistry Practical File – All Experiments with Calculations, Observations & Viva (2025–26)

This is a complete CBSE Class 12 Chemistry practical record file prepared strictly according to CBSE practical examination guidelines for the 2025–26 academic session. The file contains all required Chemistry experiments, written neatly in a proper lab-record format. Experiments included: Volumetric analysis (titration of oxalic acid with KMnO₄) Determination of molarity and strength of KMnO₄ solution Titration of ferrous ammonium sulphate with potassium permanganate Redox titration reactions with balanced chemical and ionic equations Observation tables with multiple readings Step-by-step calculations Final results with units Precautions and sources of error File features: Handwritten, clean, and well-structured pages Proper headings: Aim, Theory, Procedure, Calculations, Result, Precautions Teacher-checked entries and realistic readings Ideal for practical file submission, viva voce, and last-minute revision This practical file is highly useful for CBSE Class 12 Chemistry students who want a ready-to-submit reference or a reliable guide for writing their own practical records.