1. "College Chemistry" (part I)-the main subjects covered by the teaching content of basic chemistry are
A: Inorganic chemistry, analytical chemistry, organic chemistry, physical chemistry.
B: Inorganic chemistry, analytical chemistry, physical chemistry.
C: Inorganic chemistry, analytical chemistry.
D: Organic chemistry.
A: Inorganic chemistry, analytical chemistry, organic chemistry, physical chemistry.
B: Inorganic chemistry, analytical chemistry, physical chemistry.
C: Inorganic chemistry, analytical chemistry.
D: Organic chemistry.
B
举一反三
- 2. Organic chemistry is also known as carbon chemistry, which of the following material options belongs to the study object of organic chemistry? A: CO、CO2、C60 B: CO、CO2、CS2 C: CaC2、WC、SiC D: CH4、HCOOH、C2H5OH
- 【单选题】2016年,期刊Analytical Chemistry的影响因子为6.32,期刊Journal of Urology的影响因子为5.157,所以()。 A. 期刊Journal of Urology的影响力更大 B. 期刊Analytical Chemistry的影响力更大 C. 期刊Analytical Chemistry在该学科内影响力更大 D. 无法比较
- A challenging new area in inorganic chemistry is ---- the role of transition metals in the biochemical catalysts called enzymes.
- 化学系Chemistry ____________
- 1. Which of the following options is the reason why chemistry is known as "the central science of the 21st century"? A: Chemistry is the bridge between many disciplines and involves all aspects of human life. B: Chemistry is a central, practical and creative science. C: Chemistry is an experimental science. D: The history of the development of science and technology has eloquently proved this statement.
内容
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Nancy: Hello. Is this the Chemistry Department? Lucy: ______________________
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Tina has chemistry and engineering classes_________
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Chemistry is the science of substances ___ the science of energy.
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Why is the woman so surprised（） A: She found she wasn’t registered in Chemistry 302A. B: She found she was registered in Chemistry 302B. C: She was unsure which class she had registered. D: She wasn’t registered in Chemistry 302B.
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In the task of analytical chemistry, the process of characterizing the chemical structure of a substance is called ( ) analysis A: Qualitative B: Quantitative C: Structure D: Conformation