下列图像能正确反映所对应叙述关系的是                  

下列图像能正确反映所对应叙述关系的是                                             (    )

 A.向pH=3的溶液中不断加水                   B.一定量的稀硫酸与锌粒反应

C.向H2SO4CuSO4混合液中滴加NaOH溶液    D.煅烧一定质量的石灰石

答案

C

相关题目

(12分)数列满足*)(1)设,求证:是等比数列;(2)求数列
(12分)数列满足*)(1)设,求证:是等比数列;(2)求数列的通项公式; (3)设,数列的前n项和为Tn,求证:.
在某无色溶液中,下列离子能大量共存的是  A.Fe2+、Na+、SO
在某无色溶液中,下列离子能大量共存的是  A.Fe2+、Na+、SO42-、Cl-                                 B.Na+、Ba2+、CO32-、NO3- C.Cu2+、K+、Cl-
(本题13分)已知等差数列中,,。(1)求数列的通项公式
(本题13分)已知等差数列中,,。(1)求数列的通项公式;(2)设,求数列的前20项和。
It is human nature to think back to a golden age ______ one’s country was str
It is human nature to think back to a golden age ______ one’s country was strong and respected. A. if               B. when               C. while         
   太阳是太阳系的中心天体,是距地球最近、与地球关系
   太阳是太阳系的中心天体,是距地球最近、与地球关系最密切的一颗恒星。结合所学知识回答3~4题。 3.下列哪个部分不属于太阳外部大气层 A.
_____ his knowledge of the mountainous country, John Smith was appointed as our
_____ his knowledge of the mountainous country, John Smith was appointed as our guide.A. In spite of       B. On account of       C. Regardless of       D. Instead of  
I believe you can do your best. Not being the best but toughing the limits of w
I believe you can do your best. Not being the best but toughing the limits of what you’re capable of. I gained this belief from my third grade teacher, the most special, honored, trustworthy, and
某原子中的电子由在K层上运动变为在M层上运动,将(    ) A
某原子中的电子由在K层上运动变为在M层上运动,将(    ) A.吸收能量             B.释放能量             C.能量不变             

最新题目