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一、知识导航(图1)图1一、基础知识1.打开浓盐酸瓶盖,看到的现象是____,原因是____.说明浓盐酸具有____性,所以保存浓盐酸时要____.2.浓硫酸具有强烈的____性、____性,使用时要小心.浓硫酸稀释时,要____________.3.酸溶液中都有共同的____离子,所以酸有相似的化学性质,被称为酸的共性.(1)酸溶液能使紫色的石蕊试液变成____色,无色酚酞____色.
First, the knowledge of navigation (Figure 1) Figure 1 First, the basic knowledge 1. Open the lid of concentrated hydrochloric acid, see the phenomenon is ____, because ____. Description concentrated hydrochloric acid has ____ sex, so when to save concentrated hydrochloric acid ____. 2 concentrated sulfuric acid has a strong ____ sex, ____ sexual, be careful when using. Concentrated sulfuric acid diluted to ____________. 3 acid solution has a common ____ ions, so the acid Similar chemical properties, known as the common acid (1) acid solution can make the purple litmus solution into ____ color, colorless phenolphthalein ____ color.