结果1 题目 24. Which of these is an example of a homogenous mixture?C A. a bowl of noodle soup B. a container of water and sand. C. a glass of salt water. D. a bottle of oil and vinegar. 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
In chemistry, a mixture is defined as the combination of two or more substances. The substances must retain their individual chemical identities in order for the combination to be considered a mixture. For example, sugar water is a mixture of water, {eq}\rm H_2O {/eq...
Which one of the following is not classified correctly? a. Air is a solution. b. Distilled water is a compound. c. Table salt (sodium chloride) is a mixture. d. Gold is an element. e. Salad dressing i Which of the following would be an ...
There is a chemical reaction in which a solid turns into a gas. This is an example of a(n) ___. A. physical change B. chemical change C. mixture D. solution 相关知识点: 试题来源: 解析 B。本题考查物质性质变化的类型。化学变化是指有新物质生成的变化,固体变成气体是有新物质生成的变化...
aExample 5 is a confession of a trapped bird in a cage. The orientational metaphor in it is quite notable. People always use “high” to describe a concept of positive and ideal. In this slogan, the concept “high” is mapped to the concept “freedom”, which is the very quality we ...
Which of the following would be an example of a heterogeneous mixture? a. distilled water b. ocean water c. table salt d. copper Chemical Mixture: In the word of chemistry, the chemical mixture is a kind of chemical compound that ...
Whether a mixture is homogeneous or heterogeneous... well... this relates to the notion of “phase”. Remember we defined the word “phase” as being one physical state, whether solid, liquid or gas, that... well... that has distinct boundaries and uniform properties. So homogeneous mixtu...
A solution of salt water, for example, will have a different freezing point depending on how much salt is dissolved in the water. 2.In the lecture, the professor gives examples of homogeneous and heterogeneous mixtures. For each mixture below, indicate which kind it is. Homogeneous ...
A person’s culture is .【learned】 2. Which of the descriptions below is NOT an accurate representation of the relationship between communication and culture?【. Culture and communication are not really related to each other】 3.4.According to Edward Tylor, which one of the following is not ...
Fig. 1. C-atom fluxes at T = 1810 K at the homogeneous adiabatic explosion of a lean (φ = 0.7), atmospheric methane–air mixture. The initial temperature is T0 = 1200 K. Reaction pathway analysis may also deal with a completely different problem: What is the main sequence of reactions...