1如图1ab是探究物质性质的实验二氧化碳是否可以溶于水很难直接观察到现象可以通过a中�料瓶 的变化来间接感知.同样研究氢氧化钠 Template




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tomski1如图1ab是探究物质性质的实验二氧化碳是否可以溶于水很难直接观察到现象可以通过a中�料瓶 的变化来间接感知.同样研究氢氧化钠 coloring