MOOC 专业英语(广西民族师范学院)1452541196 最新慕课完整章节测试答案
Unit 3 Inorganic Chemistry
文章目录
Fill in the blanks
1、填空题：
An atom is the smallest__1__ of a chemical element.
答案: 【 particle】
2、填空题：
Atoms are composed of subatomic particles, including protons,__2__ , and electrons.
答案: 【 neutrons】
3、填空题：
One of the most well-known __3___forms in the world is water.
答案: 【 molecular】
4、填空题：
Dalton recognized that the structure of atoms in a particular element or compound is__4_.
答案: 【 uniform】
5、填空题：
Amedeo Avogadro (1776-1856), an Italian physicist, was the first scientist to__5_ the distinction between atoms and molecules.
答案: 【 clarify】
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 ( )
答案: 【 1828; produced the organic chemical urea (carbamide), a constituent of urine, from the inorganic ammonium cyanate NH4CNO】
3、填空题：
TimeChemist(s)Major achievement(s)1856 ( )
答案: 【 William Henry Perkin: m