Multiple-choice questions on new chemical substances [Daily Question 090223]
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1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following ( ) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. Which of the following statements is correct? () A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a submission category name that is identical to that of the newly registered chemical substance. 3. The guidelines for establishing submission category names for new chemical substances according to HJ/T420-2008 are supervised and implemented by ( ). A. The environmental protection administrative department at or above the county level; B. The environmental protection administrative department at or above the city level with districts; C. The environmental protection administrative department at or above the provincial level; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
1.a,c 2.bcd 3.a 4.c
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (AC) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. The correct statements are (BCD). A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at the county level or above; B. The environmental protection administrative department at the city level with districts or above; C. The environmental protection administrative department at the provincial level or above; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (A, C) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. The correct statements are (B, D). A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at the county level or above; B. The environmental protection administrative department at the city level with districts or above; C. The environmental protection administrative department at the provincial level or above; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C).
1AC 2BCD 3A 4C
My answers are: 1.AC 2.BCD 3.A 4.C
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (AC) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. Which of the following statements is correct? (BD) A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at or above the county level; B. The environmental protection administrative department at or above the city level with districts; C. The environmental protection administrative department at or above the provincial level; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
1AC 2BCD 3A 4C
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (AC) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. The correct statements are (BCD). A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at the county level or above; B. The environmental protection administrative department at the city level with districts or above; C. The environmental protection administrative department at the provincial level or above; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
Answer: 1, AC; 2, BD; 3, A; 4, C
1、AC 2、BCD 3、A 4、C
1.AC 2.BCD 3.A 4.C
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (AC) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. The correct statements are (BCD). A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at the county level or above; B. The environmental protection administrative department at the city level with districts or above; C. The environmental protection administrative department at the provincial level or above; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
1, AC 2, BCD 3, A 4, C
1.A, C 2.B, C, D 3.A 4.C
1. The chemical name of a new chemical substance with an unknown definite chemical structure usually reveals the following (AC) information. A. The source or precursor of the chemical substance B. The type and quantity of ions C. The production process or process conditions for the chemical substance D. Stereochemical information 2. The correct statements are (BCD). A. Based on the chemical name of the new chemical substance, it is not allowed to go against the chemical category indicated by that name; efforts should be made to conceal the chemical properties or basic structure reflected in the name. B. Specific descriptors in the chemical name that indicate various chemical structural features, the source of the substance, or the production process can be hidden or replaced with the most general descriptors possible. C. Usually, only one or two specific descriptors in the chemical name can be hidden or replaced. D. Efforts should be made to avoid using a classification name that is identical to the one used for the registration of the new chemical substance. 3. The guidelines for establishing classification names for new chemical substances according to HJ/T420-2008 are supervised and implemented by (A). A. The environmental protection administrative department at the county level or above; B. The environmental protection administrative department at the city level with districts or above; C. The environmental protection administrative department at the provincial level or above; D. The environmental protection administrative department. 4. The Guidelines for Compiling the Classification Names for New Chemical Substances, HJ/T420-2008, have been in effect since (C). A、January 1, 2008 B、January 15, 2008 C、April 1, 2008 D、April 15, 2008
1AC 2BD 3A 4C
1、AC 2、BD 3、A 4、C
1.a,c 2.bd 3.a 4.c
1.AC 2.BCD 3.A 4.C
1.A,C 2.BCD 3.A 4.C