Comprehensive Experimental Chemistry

الغلاف الأمامي
New Age International, ٠١‏/٠١‏/١٩٩٧ - 376 من الصفحات
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This Book Has Been Especially Written For Class Xii Students Under 10+2 Pattern Of Education According To The Syllabi Prescribed By The Cbse And Other States Boards. This Book Will Help The Students In Acquiring Correct Skills In Practicals And Various Techniques Of All Laboratory Experiments.Salient Features * An Introduction To The Book Is Given. This Describes The Laboratory Apparatus And Instructions And Precautions For Working In The Laboratory. * Simple Language And Lucid Style. * Adequate Number Of Illustrations To Explain And To Clarify The Use Of Various Apparatus Used In The Laboratory. * Theoretical Aspects Of Each Equipment Have Been Discussed Along With Experiments. * In Volumetric Analysis, Both The Normality And Molarity Concepts Are Made Clear. * Li>In Quantitative Analysis (Inorganic And Organic), Various Tests Have Been Given In A Systematic Way.Specimen Recordings Of Experiments Are Given To Help The Students To Record On Their Notebooks. * Viva-Voice Questions Have Been Included In Each Chapter. * A Fairly Large Number Of Investigatory Projects Covering Various Topics Are Given. Selection Of Projects Is Carefully Made Which Can Be Easily Performed In School Laboratory. * An Appendix Describing Various Chemical Hobbies Is Given Which Will Be Extremely Helpful To The Students For The Development Of Chemical Hobbies, Understanding The Basic Principles Involved And The Chemistry Of Various Hobbies. * An Appendix Describing Some Typical Chemical Exhibits Is Also Given. This Will Help The Students To Participate In The Science Fares Organized By Various Agencies. These Experiments Will Cultivate Interest Among The Students For Learning Chemistry. * An Appendix Each For The Solubility'S Of Various Salts, Atomic Weights, Preparation Of Various Reagents, Indicator Papers And The First Aid To Be Administered In Case Of Accidents Is Given. The Syllabi Prescribed For Class Xii Students Under 10+2 Pattern Along With Distribution Of Marks Is Also Given.
 

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المحتويات

Introduction
1
Preparation of Double Salts
8
Emulsions and Emulsifying Agents
21
Chromatography
31
Volumetric Analysis
42
Qualitative Analysis of Inorganic Mixtures
67
Analysis of Fertilizers
104
Carbohydrates Fats and Proteins
107
To study the presence of oxalate ions in guava fruits at different stages of ripening
183
Comparative study of the components of soft drinks
185
To study the effect of potassium hydrogen sulphate as food preservatives
188
To isolate lactose from different samples of milk
190
Milkto determine the quantity of casein present in different samples of milk
192
Its preparation and comparison with natural milk with respect to curd formation and effect of temperature
194
To estimate the percentage of acetic acid in vinegar
197
Drugs and Medicines 17 Common drugs and medicines
199

Tests for Functional Groups
116
Distinction Between Pairs of Organic Compounds
129
Preparation of pnitroacetanilide
138
PARTII INVESTIGATORY PROJECTS
141
Colours Dyes and Pigments 1 Preparation of pigments and paints
143
Dyeing of cotton wool and silk
150
Preparation of some perfumes
155
Essential oils Determination of the quantity of essential oils in seeds
163
To study the presence of adulterants in food stuffs
168
To determine various constituents in fruits and vegetables
171
Fermentation To study the rates of fermentation of juices
175
To study the rates of fermentation of starch present in potatoes rice maize wheat flour
177
To determine the concentration of ascorbic acid vitamin C in fruit juices and vitamin C tablets
179
Miscellaneous
200
To compare the neutralization power of antacids
207
To determine the total alkalinity in various water samples
210
To determine total hardness in water samples
213
Analysis of sewage water
216
To determine the dosage of bleaching powder required for disinfection of different samples of water
219
Determination of carbon dioxide in the atmosphere
222
Polymers and Fibres 24 PolymersPreparation of some polymers
225
Extraction of Natural Products
240
CationAnion Analysis
249
Appendices
312
Index
355
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