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我们读过各同志对东北版化学教科学中问题的讨论及有关意见後,在教学上获得了很大的帮助,希望能继续发表意见讨论问题,以助我们的教学改革;我自去年暑假後才用东北版的教本,高中化学的第三册,还未见面,仅把对一二两册中的一些不完整的意见,提出来与大家研究,不妥之处,还请指教。 1.在第一册十八页中:“酸酐就是与水作用能生成酸的氧化物”及一二九页中“一氧化碳和水不能化合所以它不是酸酐”都说明酸酐一定与水化
After reading the discussions and relevant opinions of the comrades on the problems in the teaching of chemistry in northeast China, we have obtained great help in teaching and hope to continue to issue opinions and discuss issues so as to help our teaching reform. Since my summer vacation last year Only with the Northeast version of the textbook, the third volume of high school chemistry, have not yet met, only some of the 12 two volumes of some of the opinions put forward to study with you, inappropriate, please enlighten. 1. In Book 1, Book 18, “Anhydride is an oxide of acid that works with water” and “A carbon monoxide and water can not be combined so that it is not an acid anhydride” on pages 1-29 states that the anhydride must be hydrated