Excerpt from Laboratory Manual of Inorganic Chemistry: One Hundred Topics in General, Qualitative, and Quantitative Chemistry Much time will often be saved if a model of the app. To be used in making an exp. Is set up for pupils to examine, and a few moments at the first of the hour are taken to explain the arrangement, manipula tion, points of connection, etc., of the app. Samples of quantities of materials may also be put out if desired, as beginners are quite sure to get too large an amount. Pupils should be cautioned ...
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Excerpt from Laboratory Manual of Inorganic Chemistry: One Hundred Topics in General, Qualitative, and Quantitative Chemistry Much time will often be saved if a model of the app. To be used in making an exp. Is set up for pupils to examine, and a few moments at the first of the hour are taken to explain the arrangement, manipula tion, points of connection, etc., of the app. Samples of quantities of materials may also be put out if desired, as beginners are quite sure to get too large an amount. Pupils should be cautioned repeatedly against using too much time, in a lazy way, in preparing app. And in doing an exp. If the laboratory period is quite short, it may be found desirable to use prepared app. As far as possible. Rubber stoppers instead of cork should almost always be used for this reason. Some teachers also prefer that pupils should write out their exps. - except the briefest jottings - outside of the laboratory. To the author this does not seem advisable, while he admits that much more can be accomplished in that way, and much neater and more complete books may result. But if this plan is followed, pupils are apt to rely too much on the text-book and too little on themselves. By writing results at once they get into more accurate and rapid habits of observation. If an exp. Is done but not written out during the period, the student should complete it very soon thereafter, as he has time. It is not necessary to do all the exps. Or to do them in the order given if you prefer some other order. In several cases Exp. 62) the teacher may prefer to do the exp. In presence of the class, who then take notes instead of doing it themselves. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
