CBSE 12 Chemistry · Lab
Practicals and Projects
CBSE Class XII Chemistry practical preparation: volumetric analysis, salt analysis, content-based experiments, preparations, food tests, projects, records and viva.
Test yourself
A focused, distraction-free run through 25 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic Lab.1
Volumetric Analysis
Standard solutions, KMnO4 titration, burette readings, endpoints and error reasoning.
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Topic Lab.2
Salt Analysis and Functional Group Tests
Systematic observations, confirmatory tests for ions, and organic functional-group tests.
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Topic Lab.3
Content-Based Experiments
Surface chemistry, kinetics, thermochemistry, electrochemistry and chromatography observations.
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Topic Lab.4
Preparations and Food Tests
Inorganic/organic preparations, crystallisation precautions, and characteristic tests of biomolecules in food.
Topic Lab.5
Projects, Record and Viva
Investigatory-project design, controls, variables, observations, practical record format and viva reasoning.