Students can download the complete notes from the chemistry practical for class 11th. We have also provided the syllabus PDF for class 11th chemistry practical.
The chemistry practical exam for class 11th consists of 30 marks. Therefore, students should plan well to get good marks in the exam. In this article, we have brought everything together for you. The practical exam is designed by CBSE so that it assesses a student's aptitude altogether. Everything about the class 11th chemistry practical is discussed here. Students can also go through these easy notes to get ready for the examination.
Table of Contents
- CBSE class 11th chemistry practical syllabus with marking scheme
- Chemistry practical for class 11th syllabus
- Chemistry practical for class 11th suggested projects
CBSE Class 11th Chemistry Practical Syllabus with Marking Scheme
Find below the marking scheme for CBSE class 11th chemistry practical. This marking scheme will help you prepare effectively for the practical chemistry exam.
|Evaluation Scheme for Examination||Marks|
|Content Based Experiment||06|
|Class Record and Viva||04|
Syllabus of CBSE Class 11th Chemistry Practical
Micro-chemical methods are available for several of the experiments for chemistry practical for class 11th. Wherever possible, you can use these techniques:
A. Basic Laboratory Techniques
- Cutting of glass tubes and glass rods
- Bending of a glass tube
- Drawn out of a glass jet
- Boring a cork
B. Characterization and Purification of Chemical Substances
- Determining the melting point of an organic compound.
- Determining the boiling point of an organic compound.
- Crystallizing impure samples of any one of the following: Copper Sulphate, Alum, Benzoic Acid.
C. Quantitative Evaluation
- Use of a mechanical balance/electronic balance.
- Prepare a standard solution for Oxalic acid.
- Determining the strength of a given solution of Sodium hydroxide by titrating it against a stock solution of Oxalic acid.
- Designing a standard solution for Sodium carbonate.
- Determining the power of a given solution of hydrochloric acid by titrating it against a standard Sodium Carbonate solution.
D. Qualitative Analysis
- Determination of one anion and one cation in a given saltCations- Pb2+, Cu2+, As3+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4 +Anions – (CO3)2- , S2-, NO2- , SO32-, SO2- , NO - , CI- , Br-, I-, PO43- , C2O2- ,CH3COO-(Note: Insoluble salts excluded)
- Detection of - Sulphur, Nitrogen, Chlorine in organic compounds.
- Project: Scientific investigations involving laboratory testing and collecting information from other sources.
Suggested Projects for Class 11th Chemistry Practical
To better understand chemistry practical for class 11th, it will be beneficial if students practice these given experiments.
- Check for bacterial contamination in drinking water by testing sulphide.
- Study of the methods of purification of water.
- Determine the rate of evaporation of different liquids.
- Investigating the foaming capacity of varying washing soaps and the effect of adding sodium carbonate on it.
- Study the acidity of different samples of tea leaves.
- Study the acidity of fruit and vegetable juices.
- Exploring the impact of acids and bases on the tensile strength of fibres.
Chemistry is an essential subject for students who want to pursue their career in that field, and it is even necessary for our day to day lives. CBSE has many useful topics for class 11th chemistry. The division of marks for CBSE class 11th chemistry practical is divided into sections. Eight marks denote each for volumetric and salt examination, and six marks for content-based trials. 4 marks each is for the project, class record, and viva.