The direct link to download the Class 12th Chemistry Half Yearly Paper from the previous year is not publicly available on the CBSE portal, as half-yearly exams are school-specific assessments, not centralized board exams.

However, for the CBSE Class 12 Chemistry paper, the absolute best preparation is using the Previous Year Question Papers (PYQs) based on the full syllabus. These PYQs accurately reflect the final exam pattern and cover the most important chapters needed for competitive exams like JEE/NEET.

You can download essential practice papers here: https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12-chemistry Use these to master Electrochemistry, Chemical Kinetics, and Organic Chemistry concepts