What is a stirring rod used for? A. Cutting solids B. Stirring liquids C. Measuring length D. Holding chemicals 相关知识点: 试题来源: 解析 B。选项 A“Cutting solids”是切割固体,搅拌棒不能切割固体。选项 B“Stirring liquids”是搅拌液体,这是搅拌棒的用途。选项 C“Measuring length”是测量长度...
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 is used to stir liquids? A. Spatula B. Stirring rod C. Balance D. Barometer 相关知识点: 试题来源: 解析 B。A 选项 spatula 是刮刀,不是用来搅拌液体的;B 选项 stirring rod 是搅拌棒,可以搅拌液体;C 选项 balance 是天平,不能搅拌液体;D 选项 barometer 是气压计,不能搅拌液体。
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。
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。
When you mix two substances together using a stirring rod, what are you doing? A. Stirring B. Shaking C. Turning D. Rotating 相关知识点: 试题来源: 解析 A。用搅拌棒把两种物质混合在一起是 Stirring。B 选项 Shaking 是摇动;C 选项 Turning 是转动;D 选项 Rotating 是旋转。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...
What is isomeric transition? What is the freezing point of alcohol? Define glass stirring rod What is the refractive index of water? What is the absolute threshold for temperature? What is a temperature scale? What is an infrared laser thermometer?
What is the glass transition temperature for polystyrene? What is the refractive index of a glass slab? What is ochre? Define glass stirring rod What is the glass transition temperature of natural rubber? What is the speed of light in crown glass?