These are the multiple choice questions for Unit 12, Empirical Data Collection and Analysis, from the new 9th class Chemistry book followed by the Punjab boards. The textbook exercise MCQs come first, then a longer set of additional MCQs arranged topic by topic, and the answer key sits at the end of the file.
- Class: 9th (Matric Part 1)
- Subject: Chemistry, English Medium
- Unit 12: Empirical Data Collection and Analysis
- Question type: Multiple choice questions
- Total MCQs: 32, followed by an answer key table
- Syllabus: New PECTAA syllabus for Punjab Boards, sessions 2025-26 and 2026-27
- Format: PDF, ready to read or print
Topics the questions are drawn from:
- Units of measurement for mass, volume and length
- Accuracy and precision and the difference between them
- Significant figures and how they are counted
- Sources of error in an experiment
- Recording and presenting experimental data
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