将零散的化学知识整理归纳,得出一般的规律,是学好化学的可取方法之一。以下归纳中全部正确的选项是请选择ABCD*U/h,{1F(i8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
A.物质的组成、结构和性质关系归纳8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
①核内质子数决定了元素的种类8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
②元素的化学性质与原子最外层电子数目关系密切8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
③原子是化学变化中最小的粒子,因此原子不可再分8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
④物质是由分子、原子、离子等粒子构成8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
B.物质的属类归纳8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
①蔗糖、酒精、甲烷等这类含碳化合物称为有机化合物8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
②由金属离子和酸根离子组成的化合物称为盐8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
③由不同种元素组成的物质称为混合物8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
④含氧元素的化合物称为氧化物8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
C.实验方法归纳8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
①玻璃容器都可用作反应容器8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
②制取气体时,应先检查装置的气密性8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
③加热试管里的固体或液体,先要预热8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
④点燃可燃性气体前必须检验气体纯度8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
D.物质俗称或主要成分归纳8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
①干冰是固态二氧化碳8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
②纯碱是碳酸钠8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
③食盐是氯化钠8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D
④石灰石的主要成分是碳酸钙8d5L7v-R;y1p4o6Y+O.c1i9X9F(h9r8[2R0p2s9D