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今年西安市高中、中专招生考试理化试题第九题是:将食盐与浓硫酸混合加强热,生成的氯化氢完全溶于水中,制得40毫升盐酸,用二氧化锰氧化这些盐酸,生成7.1克氯气。
The ninth title of this year’s physics and chemistry exam for Xi’an High School and Secondary School Admissions Examination is: heat and salt are mixed with concentrated sulfuric acid to increase heat, and the generated hydrogen chloride is completely dissolved in water to obtain 40 ml of hydrochloric acid, and the hydrochloric acid is oxidized with manganese dioxide to generate 7.1 g. Chlorine.