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...
What tool is used to stir a solution? A. stirring rod B. spatula C. dropper D. clamp 相关知识点: 试题来源: 解析 A。A 选项 stirring rod 是搅拌棒,用于搅拌溶液;B 选项 spatula 是药匙;C 选项 dropper 是滴管;D 选项 clamp 是夹子。
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。反馈 收藏 ...
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 ...
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 ...
What is an evaporation pan? What are conical flasks used for in science? What is the refractive index of gelatin? What is ice shelf buttressing? What state of matter is foam? Define glass stirring rod What is sublimation mass wasting?
(chemistry)A stirring rod: a glass rod, typically about 6 inches to 1 foot long and 1/8 to 1/4 inch in diameter that can be used to stir liquids in flasks or beakers. (slang) A pistol; a gun. (slang) A penis. (slang) A hot rod, an automobile or other passenger motor vehicle...
Wholesale 470ml Creative Cute Honeycomb Honey Jar Honey Jam Jar with Glass Dipper Stirring Rod and Lid Product Description: 1. Craft: Handmade high borosilicate glass cups. 2. Welcomed OEM/ODM, could make different shapes as per request...
Test tube brush = It is used to clean the test tube. Droper = It is used for adding the solution drop by drop. Magnifying glass = It is used for viewing the minute objects. Filter paper = It is used for separating the liquid and the precipitate. Stirring rod Premium Laboratory ...
Graphite is derived from a Greek word called graphene which means writing so it’s because graphite was primarily used initially for making pencils that’s how it got its name. is an aloe trope of carbon which is greyish in colour and opaque. It’s extra