二、 固定短语 be composed of 由...组成 三、 句式分析 We(主语) can separate(谓语) the mixture(宾语) into the pure chemical compounds(介词短语) of which it is composed(定语从句) 对定语从句: of which it is composed分析如下: of which(介宾结构, which指代的是the pure chemical compounds) it...
Explanation: Because you can separate the cheese, sauce, and crust. Is apple juice a homogeneous mixture? Apple juice is a solution composed of water as the solvent and apple juice as the solute. It is homogeneous as the composition of apple juice is the... Is wood a homogeneous mixture?
百度试题 结果1 题目We can separate oil into the chemical compounds___it is composed. A. of which B. with which C. in which D. from which 相关知识点: 试题来源: 解析 A 反馈 收藏
GC-MS is a very specific test to identify separate compounds within a sample and is considered the “gold-standard” for drug testing. Confirmatory testing lessens the chance of a false positive, almost reducing the risk to zero.3 However, GS-MS may lead to a false negative if the GC-MS...
What is one method by which you might separate K+ from Ag+? Identify a single reagent or technique that separates. a. Ag+ from Na+ b. NH4+ from Cu2+ How could IR spectroscopy, ^1HNMR, and^13CNMR be used to distinguish between t...
How can you separate alumina from bauxite ore associated with silica ? Give equations. View Solution (a) What role does cryolite play in Hall Harnoult process ? (b) How can alumina be separated from silica in bauxite ore associated with silica ? Give equation also. ...
You are given a mixture of sand, water and mustard oil. How will you separate the components of this mixture ? Explain with the help of different separation methods involved in it. View Solution State whether the following statements are true or false. ...
We can separate the mixture into the pure chemical compounds ___ it is composed. A.in whichB.of whatC.of whichD.from which 相关知识点: 试题来源: 解析 C 本题为语法结构题。在定语从句中,关系代词前面的介词既受到所修饰的名词影响又受到关系从句中的动词影响。本句中的定语从句中含有一个固定...
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