Learn about chemistry lab equipment. Understand what lab equipment is used to measure volume, measure, grind and dissolve solid samples, and evaporate water. Related to this Question Who invented the graduated cylinder? What is the mass of a cylinder?
What is the main purpose of a graduated cylinder in an experiment? A. To measure temperature B. To measure volume C. To hold chemicals D. To mix substances 相关知识点: 试题来源: 解析 B。本题考查实验工具的用途。Graduated cylinder 量筒的主要用途是测量体积。反馈 收藏 ...
A. Look at it from a slanted angle. B. Hold it up high and look down. C. Read it at eye level. D. Guess the measurement. 相关知识点: 试题来源: 解析 C。解析:测量量筒中的液体时,应在平视的角度读数。A 选项从倾斜角度看会产生误差;B 选项举高往下看也不准确;D 选项猜测测量是错误的方...
A. Pour the liquid out. B. Mix it with other liquids. C. Record the measurement. D. Add more liquid. 相关知识点: 试题来源: 解析 C。解析:用刻度量筒测量液体后,通常要记录测量结果。选项 A 倒出液体不是紧接着的操作。选项 B 和其他液体混合不符合下一步操作。选项 D 加入更多液体也不是该做...
A. graduated cylinder B. pencil case C. textbook D. chair 相关知识点: 试题来源: 解析 A。量筒(graduated cylinder)可以用来测量液体体积。选项 B 铅笔盒(pencil case)是用来装文具的;选项 C 课本(textbook)是用来学习知识的;选项 D 椅子(chair)是用来坐的。反馈...
What is seepage in the water cycle? What is a rotogravure cylinder? What is an example of condensation? What is a sponge? What is cycloplegic refraction? What is groundwater infiltration? What is insolation in meteorology? What is a graduated cylinder?
a glass container with measuring marks at its sides. The eudiometer is usually available in measurement scale ranges of 50 to 100 milliliters (mL), or in grams. The graduated cylinder form first came into use in the mid-20th century and has since been the most popular type of eudiometer...
A. mortar and pestle B. pipette C. graduated cylinder D. test tube 相关知识点: 试题来源: 解析 A。mortar and pestle(研钵和杵)用于研磨固体。pipette 用于精确量取液体;graduated cylinder 用于测量液体体积;test tube 用于少量试剂的反应等。反馈...
First, you'll need to gather the necessary equipment. You'll need a kitchen scale, a graduated cylinder or syringe, and some basic chemistry equipment such as gloves, goggles, and a pH meter. How to make a simple saline solution for ejuice (E-liquid News) 2023.09.12 E liquid (e jui...
What is the capacity definition? Capacity refers to the amount of something that an object can hold before spilling over. Anothercapacity definitionis the maximum amount of something—whether that be a solid, liquid, or gas—that fits into a given container. ...