大学MOOC 化工专业英语(天津科技大学)1452168220 最新慕课完整章节测试答案
Unit 2 Branches of Chemistry
文章目录
Physical chemistry
1、单选题：
From which angles does Physical Chemistry look at chemical reaction?
选项：
A: Reactions of different groups of elements and compounds
B: Reactions between atoms
C: Mathematics and physics
D: Biology
答案: 【 Mathematics and physics】
2、单选题：
How do we describe the role of physical chemistry?
选项：
A: Foundational
B: At the leading edge of scientific research
C: Fast growing
D: Closely related to engineering practice
答案: 【 Foundational 】
3、多选题：
Why does Physical Chemistry deal with Thermodynamics?
选项：
A: Because it cares about the energy levels and changes involved in chemicals and chemical reactions
B: Because it cares about the enthalpies of chemicals
C: Because it studies the energy and thermodynamic properties of a system
D: Because chemical reactions do not involve endothermic or exothermic effect
答案: 【 Because it cares about the energy levels and changes involved in chemicals and chemical reactions;
Because it cares about the enthalpies of chemicals;
Because it studies the energy and thermodynamic properties of a system】
4、多选题：
What does the picture mean?
选项：
A: Crystal structure of a compound
B: A NaCl particle
C: An ordered arrangement of a crystalline matter
D: A small sand
答案: 【 Crystal structure of a compound;
An ordered arrangement of a crystalline matter】
5、多选题：
When chemical bonds are broken, what will happen?
选项：
A: Exothermic effect
B: Temperature rising
C: Endothermic effect
D: Temperature falling
答案: 【 Exothermic effect ;
Temperature rising】
6、多选题：
When chemical bonds are formed, what will happen?
选项：
A: Exothermic effect
B: Temperature rising
C: Endothermic effect
D: Temperature falling
答案: 【 Endothermic effect ;
Temperature falling】
7、多选题：
Why Physical Chemistry studies Kinetics?
选项：
A: Because Kinetics is about speed of reaction
B: Because reaction rate is very important
C: Because thermal effect happens in chemical reaction
D: Because sometimes reaction rate needs to be improved
答案: 【 Because Kinetics is about speed of reaction;
Because reaction rate is very important;
Because sometimes reaction rate needs to be improved】
8、多选题：
What is the function of catalysts?
选项：
A: Changing the rate of chemical reactions
B: Improving the rate of chemical reactions
C: Inhibiting the rate of biochemical reactions
D: Decreasing the temperature of chemical reactions
答案: 【 Changing the rate of chemical reactions;
Improving the rate of chemical reactions;
Inhibiting the rate of biochemical reactions】
9、多选题：
Which ones are correct about sublimation?
选项：
A: It involves in the change from solid state of a matter to gaseous state
B: It happens in freeze drying
C: It happens when you use camphor balls to store clothes
D: It happens when you boil water
答案: 【 It involves in the change from solid state of a matter to gaseous state;
It happens in freeze drying;
It happens when you use camphor balls to store clothes】
10、多选题：
Which we need enzymes in our body?
选项：
A: We won’t be able to live due to the reactions happening too slowly without it
B: It’s delicious
C: It improve the biochemical reactions in our body
D: It protect us from virus, such as 2019 Novo Coronavirus
答案: 【 We won’t be able to live due to the reactions happening too slowly without it;
It improve the biochemical reactions in our body】
Unit 4 Organic chemistry
Quiz for Lecture 2
1、填空题：
Read the list of common organic chemicals below and try to put them in the right categories. Write its number in the right place. shampoogasolineperfumedrugpaintplasticpaperfertilizerwoodcoalcleaning solventvitaminsoapnatural gasmoth ballinsect repellentnail polish removerCategory 1 insectifuge _____________________.
答案: 【 15##%_YZPRLFH_%##16】
2、填空题：
Category 2 fuel _____________________
答案: 【 2##%_YZPRLFH_%##10##%_YZPRLFH_%##14】
3、填空题：
Category 3 home maintenance _____________________
答案: 【 6##%_YZPRLFH_%##9##%_YZPRLFH_%##11】
4、填空题：
Category 4 health product ___________________
答案: 【 4##%_YZPRLFH_%##12】
5、填空题：
Category 5 personal care ______________________
答案: 【 1##%_YZPRLFH_%##2##%_YZPRLFH_%##13##%_YZPRLFH_%##17】
6、填空题：
Category 6 others ______________________
答案: 【 7##%_YZPRLFH_%##8】
Quiz for Lecture 3
1、填空题：
Read Text A and complete the table with the brief information in Text A.TimeChemist(s)Major achievement(s)1823Michel Chevreul ( )
答案: 【 showed the process of saponification】
2、填空题：
TimeChemist(s)Major achievement(s) Friedrich Wöhler ( &n