1.流程题- (共1题)
(1)操作①的名称是______。
(2)操作②向液体C中加入_____,利用其吸附性除去水样中的颜色和异味。此过程主要发生____变化(填“物理”或“化学”)。
2.综合题- (共1题)
（1）反应后剩余固体物质的质量________高锰酸钾的质量。（填“大于”“小于”“等于”）。推断的依据是__________________。
（2）剩余固体物质中含有的物质是________，各是________克？
3.计算题- (共1题)
(1)食用“碘盐”属于_____________；(纯净物或混合物)
(2)每袋该食盐中碘元素的质量是___________。
4.推断题- (共1题)
(1)X是_______ (填化学式)。
(2)B物质固态时的名称是______，该物质在实际生活中的一种用途是____________。
(3)写出下列反应的化学方程式。
①F＋X→B＋G：________________________________________。
②C→D＋E：__________________________________________。
5.单选题- (共7题)
| A．每个柠檬酸分子中含有个碳原于8氢原子、7个氧原子 |
| B．柠檬酸能使酚酞溶液由无色变红色 |
| C．柠檬酸中的的氧元素的质量分数最高 |
| D．向水中加入适量的白糖、果汁、柠檬酸的小苏打，可以制汽水 |
| A．水是由氢元素和氧元素组成的化合物 |
| B．氢气燃烧生成水和电解水的基本反应类型相同 |
| C．用肥皂水可以区分硬水和软水 |
| D．净化水的常用方法有沉淀、过滤、吸附和蒸馏 |
6.选择题- (共8题)
Everybody, welcome to {#blank#}1{#/blank#}(we) company. I am Luisa, Director of the department. Let me say something to you all. The starting of work can be exciting on the hand, and can also be {#blank#}2{#/blank#}(worry) on the other. No matter what your future job is, you will have to work with others. Leaning to get on well with others must come first,{#blank#}3{#/blank#} (include) all staff in the company and our {#blank#}4{#/blank#} (custom).
And secondly, right after my introduction, spend some time reading the introduction of our company and get to know the people in your office and find out {#blank#}5{#/blank#} the company is like. This afternoon you can walk around our workshops and know {#blank#}6{#/blank#} (much) about the products. No one is allowed {#blank#}7{#/blank#} (leave) the company before 5:30 pm. By the way, lunchtime {#blank#}8{#/blank#} (come) at 11:50 and it's free {#blank#}9{#/blank#} charge.
Remember: Learning is so important {#blank#}10{#/blank#} it can change your future life.
This is what I'd like to say to you at the moment. If you still have any question, please come to my office. Thank you.
Everybody, welcome to {#blank#}1{#/blank#}(we) company. I am Luisa, Director of the department. Let me say something to you all. The starting of work can be exciting on the hand, and can also be {#blank#}2{#/blank#}(worry) on the other. No matter what your future job is, you will have to work with others. Leaning to get on well with others must come first,{#blank#}3{#/blank#} (include) all staff in the company and our {#blank#}4{#/blank#} (custom).
And secondly, right after my introduction, spend some time reading the introduction of our company and get to know the people in your office and find out {#blank#}5{#/blank#} the company is like. This afternoon you can walk around our workshops and know {#blank#}6{#/blank#} (much) about the products. No one is allowed {#blank#}7{#/blank#} (leave) the company before 5:30 pm. By the way, lunchtime {#blank#}8{#/blank#} (come) at 11:50 and it's free {#blank#}9{#/blank#} charge.
Remember: Learning is so important {#blank#}10{#/blank#} it can change your future life.
This is what I'd like to say to you at the moment. If you still have any question, please come to my office. Thank you.
Everybody, welcome to {#blank#}1{#/blank#}(we) company. I am Luisa, Director of the department. Let me say something to you all. The starting of work can be exciting on the hand, and can also be {#blank#}2{#/blank#}(worry) on the other. No matter what your future job is, you will have to work with others. Leaning to get on well with others must come first,{#blank#}3{#/blank#} (include) all staff in the company and our {#blank#}4{#/blank#} (custom).
And secondly, right after my introduction, spend some time reading the introduction of our company and get to know the people in your office and find out {#blank#}5{#/blank#} the company is like. This afternoon you can walk around our workshops and know {#blank#}6{#/blank#} (much) about the products. No one is allowed {#blank#}7{#/blank#} (leave) the company before 5:30 pm. By the way, lunchtime {#blank#}8{#/blank#} (come) at 11:50 and it's free {#blank#}9{#/blank#} charge.
Remember: Learning is so important {#blank#}10{#/blank#} it can change your future life.
This is what I'd like to say to you at the moment. If you still have any question, please come to my office. Thank you.
Everybody, welcome to {#blank#}1{#/blank#}(we) company. I am Luisa, Director of the department. Let me say something to you all. The starting of work can be exciting on the hand, and can also be {#blank#}2{#/blank#}(worry) on the other. No matter what your future job is, you will have to work with others. Leaning to get on well with others must come first,{#blank#}3{#/blank#} (include) all staff in the company and our {#blank#}4{#/blank#} (custom).
And secondly, right after my introduction, spend some time reading the introduction of our company and get to know the people in your office and find out {#blank#}5{#/blank#} the company is like. This afternoon you can walk around our workshops and know {#blank#}6{#/blank#} (much) about the products. No one is allowed {#blank#}7{#/blank#} (leave) the company before 5:30 pm. By the way, lunchtime {#blank#}8{#/blank#} (come) at 11:50 and it's free {#blank#}9{#/blank#} charge.
Remember: Learning is so important {#blank#}10{#/blank#} it can change your future life.
This is what I'd like to say to you at the moment. If you still have any question, please come to my office. Thank you.
7.填空题- (共2题)
下图为家庭制氧机内桶构造示意图，桶上设有制氧剂投药口和出气口。
已知：
i. 制氧剂的主要成分是过碳酸钠和催化剂；
ii. 本产品用于人体保健吸氧，产生的氧气需通入水中净化。制氧时，从投药口中投入药品后，立即将其关闭。过碳酸钠加入水中后，分解产生过氧化氢；过氧化氢再在催化剂的作用下产生氧气。
（1）过氧化氢发生反应的文字表达为____________________________________。
（2）氧气的出口为__________（填“a”或“b”）。
（1）“碱雨”的pH_____7（填“大于”、“小于”或“等于”）．
（2）“酸雨”是因为工业生产过程中向大气中大量排放_____造成的．
（3）NH4Cl与Ca（OH）2共热反应的化学方程式为_____．
（4）请为施用铵态氮肥提出一条合理措施．答：_____．
8.实验题- (共1题)
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【1】题量占比
流程题:(1道)
综合题:(1道)
计算题:(1道)
推断题:(1道)
单选题:(7道)
选择题:(8道)
填空题:(2道)
实验题:(1道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：2
5星难题：0
6星难题：6
7星难题：0
8星难题：3
9星难题：3