This instrument is used for separating solid particles from a liquid. What is it? A. Balance B. Filter paper C. Stirring rod D. Volumetric flask 相关知识点: 试题来源: 解析 B。A 选项 balance 是天平,用于称量;B 选项 filter paper 是滤纸,用于分离固体颗粒和液体;C 选项 stirring rod 是搅拌...
What can we use to stir liquids? A. stirring rod B. pipette C. tweezers D. graduated cylinder 相关知识点: 试题来源: 解析 A。选项 A“stirring rod”是搅拌棒,用来搅拌液体;选项 B“pipette”是移液管;选项 C“tweezers”是镊子;选项 D“graduated cylinder”是量筒。
What can be used to stir liquids? A. Spoon B. Stirring rod C. Chopsticks D. Pencil 相关知识点: 试题来源: 解析 B。“Spoon”是勺子;“Stirring rod”是搅拌棒;“Chopsticks”是筷子;“Pencil”是铅笔。正确答案是 B,搅拌棒专门用于搅拌液体。涉及词汇有 spoon、stirring rod、chopsticks、pencil,语法...
A stirring rod isused for mixing liquids, or solids and liquids. Stir rods are used as part of proper laboratory technique when decanting supernatants because the contact helps to negate the adhesion between the side of the glassware and the supernatant that is responsible for the liquid running ...
题目What instrument is used to stir solutions? A. stirring rod B. spatula C. pipette D. tweezers 相关知识点: 试题来源: 解析 A。stirring rod 是搅拌棒,用于搅拌溶液。spatula 是药匙;pipette 是移液管;tweezers 是镊子,都不是用来搅拌的。
What is Teflon used for? What is carbon nanotechnology? Agar melts at what temperature? What is the freezing point of alcohol? What does thermal stratification do? What is graphene ceramic coating? What is environmental nanotechnology? Define glass stirring rod ...
In a 100 mL round-bottom flask equipped with a stirring rod, dissolve 3-Chloroaniline and triethylamine (3 equivalents) in a 2:1 volume ratio of H2O/THF mixture (45 mL). Stir the resulting reaction mixture at room temperature for 5 minutes, then cool the reaction mixture to 0°C and ...
Mixed gently using a spoon or rod. She Stirred the soup until it was well-blended. Common Curiosities Which method, Shaken or Stirred, introduces more air into a drink? Shaking typically introduces more air. 15 Does Shaking a drink make it colder than Stirring? Typically, yes, as Shaken in...
Function: The main function of a homogenizer is to evenly disperse the particles in the sample, usually without other functions such as temperature control, stirring, and vortex. They are specifically used for sample homogenization and particle crushing. Sample container: A homogenizer usually uses a...
“The opponent had used a scheme tobaithim out of his guard and then sneak attack him from the shadows.” Verb ▲ Present participle for to annoy or provoke through teasing “Charlie loved tobaithim, but his jibes usually rolled off Travis's back like water off an oilskin tarp.” ...