What is a beaker mainly used for? A. Holding small amounts of liquid. B. Heating and mixing liquids. C. Observing tiny objects. D. Measuring the length of an object. 相关知识点: 试题来源: 解析 B。解析:烧杯主要用于加热和混合液体。选项 A 是试管可能的用途;选项 C 是显微镜的用途;选项 ...
When weighing liquid ethanol, why do you have to place water in beaker prior to adding the ethanol to that same beaker? Why is it so important that volumetric glassware be clean before measuring samples of liquids? Explain why a piece of laboratory tissue or tongs should be used to handle ...
解析 C。“Beaker”是烧杯;“Test tube”是试管;“Graduated cylinder”是量筒,用于测量液体体积;“Flask”是烧瓶。正确答案是 C,因为只有量筒是专门用来测量液体体积的。涉及的词汇有 beaker、test tube、graduated cylinder、flask,语法上本题是简单的特殊疑问句,考查对实验仪器名称的理解。
The bottom of the beaker is flat in appearance. On the tip, a small depression is made for pouring liquid or solutions. Low-form beakers have a height of about 1.4 times the diameter. It is also known as the Gryphon beaker. These are used for different purposes. Tall form beakers have...
I found these ten beakers in the laboratory. Here,twois a post-determiner that functions as a number. The main determiner isten. Using a Singular Non-Gender-Specific Possessive Determiner English doesn’t have a singular possessive determiner that is gender-neutral aside fromit.But it sounds un...
A. Test tube is used for heating only while beaker is for cooling only. B. Test tube is smaller and used for small amounts of substances while beaker is larger and can hold more. C. Test tube is made of metal while beaker is made of glass. D. There is no difference between them....
<p><strong>Step-by-Step Solution:</strong></p><p>1. <strong>Definition of Capillarity</strong>: Capillarity, also known as the capillary effect, is the ability of a liquid to flow in narrow spaces without the assistance of external forces. This phenomeno
C. Make sure the beaker is stable on the tripod stand. D. Use a thermometer without a range. 相关知识点: 试题来源: 解析 C。解析:文章提到进行实验时的重要注意事项之一是确保烧杯在三脚架上稳定(Make sure the beaker is stable on the tripod stand)。所以答案是 C。反馈 收藏 ...
A solution is made up of a solute and a solvent. A solute is a substance that is in less quantity; a solvent is a substance that is present in a greater quantity. A solute will dissolve in a solvent.Answer and Explanation: Become a member and unlock all Study Answers Start today....
Analysis: Analysis is a very important part of chemistry when it comes to the discovery of composition of a given substance. This particular research and analysis can be linked with an important field of chemistry that is analytical chemistry. ...