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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 ...

Complete CBSE Class 11 Chemistry investigatory project bundle including 2 full projects: water contamination by sulfide ion concentration, bacterial contamination cause analysis, and effect of acids and alkalies on fibre strength. Prepared as per CBSE guidelines with all required sections. Best value for practical exams and submissions.

This document contains a complete Chemistry investigatory project for Class XI (CBSE) titled “Study the Effect of Acids and Alkalies on the Tensile Strength of Fibres.” The project experimentally studies how acidic (HCl) and alkaline (NaOH) solutions affect the tensile strength of natural fibres (cotton, wool) and synthetic fibres (nylon, polyester). It is prepared strictly according to CBSE Chemistry investigatory project guidelines and includes theory, procedure, observation table, a...

This document contains a complete Chemistry investigatory project for Class XI (CBSE) titled “Testing Contamination of Water by Checking Sulfide Ion Concentration.” The project studies bacterial contamination in water samples by analyzing the presence and concentration of sulfide ions (S²⁻), which are reliable indicators of anaerobic bacterial activity. Water samples from tap water, pond water, bottled water, and distilled water (control) are tested using a sulfide ion testing metho...

All-in-one CBSE Class 12 Mega Bundle covering Informatics Practices, Chemistry, and Physics. Includes IP Python–MySQL project, Python & SQL practice questions, Chemistry investigatory project, and Physics practical project. Best value pack for exams, viva, and submissions.

This bundle includes both CBSE Class 12 science practical projects for Chemistry and Physics. Prepared as per CBSE 2025–26 guidelines with proper format, theory, observations, analysis, and conclusions. Editable details included. Perfect for practical file submission.

Complete CBSE Class 12 IP (065) bundle as per 2025–26 syllabus. Includes a full Python–MySQL Inventory Management System project and Python & SQL practice questions with answers. Ideal for project submission, exam preparation, and viva. Saves money vs individual purchase.

This document contains a complete Physics practical project for Class XII (CBSE) based on the experiment “To investigate the dependence of angle of deviation on angle of incidence using a hollow prism filled with different transparent liquids.” The project explains the concept of refraction through a prism and experimentally verifies how the angle of deviation varies with angle of incidence and the liquid inside the prism. Observation tables, diagrams, graphical analysis, calculations,...

This document contains a ready-to-submit Chemistry investigatory project for Class XII (CBSE) based on the topic “Study of the Content of Ascorbic Acid (Vitamin C) in Citrus Fruits.” The project is prepared according to CBSE practical format and includes all mandatory sections such as certificate, acknowledgement, index, theory, procedure, observations, calculations, results, precautions, conclusion, and bibliography. The experiment is based on redox titration using DCPIP (2,6-Dichloro...

This document contains a comprehensive practice question bank for CBSE Class XII Informatics Practices (065) focusing on Python programming, Pandas, DataFrames, data visualization, CSV handling, and MySQL database integration. The PDF includes 30+ exam-oriented questions with complete Python code, SQL queries, and outputs, prepared according to the CBSE 2025–26 syllabus. "Also available in the CBSE Class 12 Mega Practical Bundle for extra savings." Topics covered include: Pandas Se...