Comprehensive Science Activities Class-X Vol. I & II

Comprehensive Science Activities Class-X Vol. I & II
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Comprehensive Science Activities Class-X Vol. I & II

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Publisher: Laxmi Publications
ISBN: 9788131808191
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PREFACE Dear students, In this age of nail-biting competition, it really helps to be well equipped in subject knowledge in order to break the ice in the competitive area. So, while the market is flooded with numerable repetitions of book which mars your intellectuality and competency. We have endeavoured to reach out to your widen examination needs in this edition. Keeping in mind the broader comprehensive needs of subject knowledge we have put in our best efforts in this book. Science is learnt best by doing. We can understand the principles of science by doing experiments. Therefore, the practical work in laboratory is an essential part of the student s life. Special features of this practical book are It is strictly in accordance with the latest curriculum CCE for Xth class prescribed by C.B.S.E., New Delhi. Experiments are given termwise. Subject matter is presented in simple and lucid manner. Properly labelled diagrams are provided in experiment. Sufficient theory is provided at the beginning of each experiment. Tables are given for direct recording the observations. Precautions are given for each and every experiment. The procedure required for each experiment is written in an orderly. Viva-Voce questions and Multiple Choice Questions with answers are given in Volume II. We sincerely hope that the present book will prove to be more useful for the students in their practical class. Although we have taken care and laid down all efforts to remove any discrepancy which might have crept in, yet criticism or suggestions are always solicited from your end. Thanking you in anticipation for your co-operation. Authors
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SYLLABUS Central Board of Secondary Education SCIENCE Code No. 086 090 Practical should be conducted alongside the concepts taught in theory classes
FIRST TERM 1.
2.
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5. 6. 7. 8. 9. 10.
To find the pH of the following samples by using pH paper universal indicator. i Dilute Hydrochloric acid ii Dilute NaOH solution iii Dilute Ethanoic acid solution iv Lemon juice