(2010·广安)向盛有稀硫酸的小烧杯中慢慢滴加10%的Ba(OH)2溶液至过

(2010·广安)向盛有稀硫酸的小烧杯中慢慢滴加10%的Ba(OH)2溶液至过量,有关量的变化情况见下图(横坐标表示氢氧化钡溶液的质量,纵坐标表示小烧杯中量的变化)。其中错误的是(     )

答案

B解析:

相关题目

某化学兴趣小组为测定Zn、Cu、Ag三种金属的活动顺序,设计
某化学兴趣小组为测定Zn、Cu、Ag三种金属的活动顺序,设计了四种方案,每种方案所用试剂如下,其中可行的是(  )。A.Zn、Cu、AgNO3溶液B.Cu、ZnSO4
My l4-year-old son, John, and I spotted the coat which was hanging at a secondh
My l4-year-old son, John, and I spotted the coat which was hanging at a secondhand clothing store in Northampton Mass. While the other coats drooped(低垂), this one looked as if it were__21__. Th
下图为一时事漫画《全球货币——美元》。代表美国、日本
下图为一时事漫画《全球货币——美元》。代表美国、日本、西欧的三个人组成了一个美元的符号,美国人高高在上,得意扬扬。该漫画的寓意主要包
肺泡中的氧气进入肺泡周围毛细血管的血液中,至少要经过
肺泡中的氧气进入肺泡周围毛细血管的血液中,至少要经过几层细跑(    )A.2层B.3层C.4层D.5层
下列变化过程属于生物进化的是                   
下列变化过程属于生物进化的是                                     A.恐龙蛋变成恐龙     B.海洋变成陆地  C.类人猿变成人   D.
--- I am always feeling nervous before an exam.     ---        .Do b
--- I am always feeling nervous before an exam.     ---        .Do believe your hard work will surely pay off.        A.Take your time        B.Take a good rest      
Energy-saving Finns invented the first ice skate more than 5,000 years ago, as a
Energy-saving Finns invented the first ice skate more than 5,000 years ago, as a practical method of transport to make getting across frozen lakes less of a struggle. The earliest skates would have b
鸦片战争以后,中国的自然经济逐步解体,但它仍是近代史
鸦片战争以后,中国的自然经济逐步解体,但它仍是近代史上占统治地位和主体地位的经济。下列哪些情况是中国自然经济的存在导致的( ) ①清

最新题目