解析 DThe only correct answer is DA is not correct because sodium is an elementnot a mixtureB is not correct because chlorine is an elementnot a mixtureC is not correct because sodium chloride is apure compound not a mixture 反馈 收藏
结果1 题目Question-Which one of these is not a pure compound? (d)(a)$$ O _ { 3 } $$(b) $$ H _ { 2 } O _ { 2 } $$(C) $$ H _ { 2 } O $$)(d) Sucrose solution 相关知识点: 试题来源: 解析 (d) 反馈 收藏 ...
A solute can be an element, a molecular compound, or an ionic compound. Answer and Explanation: A compound is a collection of two elements or more that are attracted to one another through forces called intramolecular forces. These attraction...Become a member and unloc...
Answer:- The boiling point of any compound depends upon the intermolecula… View the full answer Previous questionNext question Transcribed image text: Which of these compounds is expected to possess the lowest boiling point? A) CH_3 CH_2 CH_2 C...
Which of the following is a chiral compound : A2-methyl pentanoic acid B3-methyl pentanoic acid C4-methyl pentanoic acid DNone of theseSubmit Which of the following is an achiral molecule? A B C DSubmit Which of the following is an achiral molecule? A B C DSubmit Which of the following...
<p>To determine which of the given compounds is a heterocyclic compound, we need to understand the definition and characteristics of heterocyclic compounds.</p><p>1. <strong>Definition of Heterocyclic Compounds:</strong> - Heterocyclic compounds are c
Which of the following is an organic compound? a. Salt b. Water c. Calcium d. Vitamin C Organic Compounds: Atoms combine with one another to become more stable and form compounds. Compounds are chemically bound atoms whose electrons have transferred or are being shar...
1. Which of the following statement is true? a. Walt originally wanted to build two parks, one for children and the other for parents. b. Walt wanted to build an amusement park which is basically a compound that takes care of both children and parents. ...
象形文字在书写系统中不实 用 根据定位句可知,这是因为它们不能很好地表达抽象的 概念 故选C 25.B 细节理解题 【解析】根据第三段第一、二句"Next we have a common category of hanzi; compound characters. These are where elements of tw or more characters are combined in one character for a nev ...
Highlight of Sentence Structure This is a Compound Sentence with 2 Independent Clauses joined by ...