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,语法是特殊疑问句,考查实验仪器用途。
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。
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...
This instrument is used to collect and store gases. What is it? A. Gas syringe B. Stirring rod C. Balance D. Crucible 相关知识点: 试题来源: 解析 A。A 选项 gas syringe 是气体注射器,用于收集和储存气体;B 选项 stirring rod 是搅拌棒;C 选项 balance 是天平;D 选项 crucible 是坩埚。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。反馈 收藏 ...
What is another word forbaiting? Needsynonyms for baiting? Here's a list ofsimilar wordsfrom ourthesaurusthat you can use instead. Contexts▼ Verb To be triggering a passionate feeling or reaction (rare)Persuading someone to undertake or acquire something ...
(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...
The principle of the magnetized stirring water cup is to add a magnet or an electronically controlled magnetic coil to the bottom of the water cup.The stirring rod in the water cup also contains(All kinds of cups customized, OEM, OEM, business cooperation please call: 18666872156) magnetism, ...
What is the importance of a stirring rod in qualitative analysis? 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 glass...
What is glass transition? Glass Transition Occurence: For polymers, the party is over when the temperature falls close to or below the Tg, and the long-range segmental motion stops. The polymer transforms from being soft and pliable to being hard and brittle when this long-range motion stops...