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现行九年义务教育初二《生物》“实验三 ,鉴定骨的成分”(以下简称“实验三”)内容的后面用一段文字小结 :“通过实验知道 ,煅烧后的骨很脆 ,而在盐酸中浸过的骨很柔韧。根据有机物一般容易燃烧、无机物一般不易燃烧、有些无机物在与盐酸发生化学反应时能被溶解的道理进行分析
The content of “Biology”, “Experiment 3, Identifying the Components of Bone” (hereinafter referred to as “Experiment 3”) for the second year of compulsory education for the second nine-year compulsory education is followed by a textual summary: “It is known through experiments that the calcined bone is brittle, and in hydrochloric acid, The medium-impregnated bone is very flexible, and it is analyzed according to the principle that organic matter is generally easy to burn, inorganic materials are not easily burned, and some inorganic substances can be dissolved when chemical reaction occurs with hydrochloric acid.