试题与答案

(8分)下图是对生成氯化钠反应关系的归纳与整理。 请回答下列问题 (1)物质A

题型:填空题

题目:

(8分)下图是对生成氯化钠反应关系的归纳与整理。

请回答下列问题

(1)物质A是常见的碱,写出A的化学式:_________。

(2)写出反应①的化学方程式:___________________。

(3)胃酸(含盐酸)过多的病人可服用含NaHC03的药物进行治疗,原因是(用化学方程式表示):                                   

(4)Na2SO4溶液与 BaCl2溶液之间能发生复分解反应的原因是_____________。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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题型:阅读理解

Miss Grey lived in a small house. She was old and did not like noise at all , so she was very pleased when her noisy neighbour moved out .A young man moved in and Miss Grey thought the man seemed to be quiet.

But at three o’clock the next morning , the noise of a dog woke her up . She thought she had never heard a dog there before . It must be the young man’s dog . So she telephoned the young man , said something bad about the dog and then hung up the telephone before he could answer. Nothing more happened until three o’clock the next morning . Then Miss Grey’s telephone rang , and when she answered , a voice said ,“ You telephoned me twenty four hours ago .Now I’ve rung you up to say that I have’t a dog . ”

根据短文内容,判断以下句子的正(T)误(F)。(共5小题,每小题2分,满分10)

小题1:Miss Grey felt sorry when her noisy neighbour moved out.

小题2:Miss Grey’s new neighbour was as the old one .

小题3:Some noise woke her up in the early morning .

小题4:She thought the new neighbour had brought a dog with him.

小题5:The young man rang up Miss Grey in the early morning , because he wanted to punish her.

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