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Sahitya Bhawan CBSE class 11 chemistry Lab Manual with theory and Viva-voce questions as per syllabus

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Edition 2020
Class 11
Subject Chemistry
Board CBSE
Author A K Goswami
Binding Hard bound
Pages 224
Language English
Country India
Series Title Sahitya Bhawan
Isbn 9789353396282

Product Features                                              

Sahitya Bhawan lab manual class 11 Chemistry practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.

Content                                                                                       

Chemistry Laboratory : An Introduction 
Commonly Used Laboratory Apparatus 
Viva Voce Questions with Answers
1. Basic Laboratory Techniques
EXPERIMENT 1.1 To cut a glass tube or glass rod of a desired length and round of its edges.
EXPERIMENT 1.2 To bend a glass tube or glass rod.
EXPERIMENT 1.3 To draw a glass jet from the glass tube.
EXPERIMENT 1.4 To bore a hole in a cork and insert a glass tube into a bored cork .
Viva Voce Questions with Answers
2. Characterisation and Purification of Chemical Substances
experiment 2.1 To determine the melting point of the given organic compound.
experiment 2.2 To determine the boiling point of the given organic liquid.
experiment 2.3 To prepare crystals of pure potash alum from impure sample.
experiment 2.4 To prepare crystals of pure copper sulphate (CuSO4.5H2O) from given impure sample.
experiment 2.5 To prepare the crystals of pure benzoic acid from given impure sample.
Viva Voce Questions with Answers
3. Experiments Based on pH 
experiment 3.1 To determine the pH of vegetables and fruit juices, acids and bases of known and varied
concentration using pH paper.
experiment 3.2 Compare the pH of solution of strong acid and weak acid having same concentration
experiment 3.3 Study the pH change in the titration of a strong base with strong acid using universal indicator.
experiment 3.4 Study of pH change by common ion effect in case of weak acid and weak base.
(1) To study the change in pH of acetic acid solution by addition of sodium acetate
(2) To study the change in pH of ammonium hydroxide solution by the addition of
ammonium chloride
Viva Voce Questions with Answers
4. Chemical Equilibrium 
experiment 4.1 To study the shift in equilibrium between ferric ions and thiocyanate ions by incre-
asing the concentration of either of the ions.
experiment 4.2 To study the shift in equilbirium between [Co(H2O)6]2+ and Cl– by changing the conc-
entration of either of the ions.
Viva Voce Questions with Answers
5. Quantitatixe Estimation 
experiment 5.1 Prepare M/10 sodium carbonate solution.
experiment 5.2 Prepare M/10 oxalic acid solution.
experiment 5.3 Determine the strength of the given sodium hydroxide solution.
experiment 5.4 Determine the strength and molarity of the given solution of hydrochloric acid by titrating
it against standard sodium carbonate solution.
Viva Voce Questions with Answers
6. Qualitative Analysis 
Detection of Elements in Organic Compounds
Viva Voce Questions with Answers
Investigatory PROJECTS
Project 1 To check the bacterial contamination in drinking water by testing sulphide ions.
Viva Voce Questions with Answers
Project 2 To study the methods of purification of water.
Viva Voce Questions with Answers
Project 3 To test the hardness, presence of ions, chloride, flouride, etc. depending upon regional variation
in drinking water and to study the cause of presence of these ions.
Viva Voce Questions with Answers
Project 4 Investigation of the foaming capacity of different washing soaps and the effect of addition
of sodium carbonate on them.

experiment 1 To compare the foaming capacities of five different commercial soaps.

experiment 2 Study the effect of the addition of Sodium Carbonate (washing soda) on the foaming capacity
of different soap solutions.
Viva Voce Questions with Answers
Project 5 To study the acidity of different samples of tea leaves as an index of their tastes.
Viva Voce Questions with Answers
Project 6 This project is of the Rate of evaporation of different liquid, in which we also discuss the
factors which affect the rate of liquid.
experiment 1 To compare the rates of evaporation of acetone, benzene and chloroform.
experiment 2 To study the effect of surface area on the rate of evaporation of diethyl ether.
experiment 3 To study the effect of temperature on the rate of evaporation of acetone.
experiment 4 To study the effect of air current on the rate of evaporation of acetone.
Viva Voce Questions with Answers
Project 7 Project report effects of acids and bases on the tensile strength of fibres
experiment 1 Compare the tensile strength of given samples of nylon and cotton fibres.
experiment 2 To investigate the effect of acids and alkalis on the tensile strength of these fibres.
Viva Voce Questions with Answers
Project 8 To analyse fruit and vegetable juices for their acidity.
Viva Voce Questions with Answers

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