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Worksheetsdụng cụ lab
Total questions: 85
Worksheet time: 1hrs 25mins
Cốc có mỏ
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Giá để ống nghiệm
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Ống nghiệm
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a type of flask commonly used in laboratories, characterized by its rounded, spherical bottom ( and a narrow neck
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Đế để bình cầu
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a laboratory apparatus used to separate solids from liquids through the process of filtration
Erlenmeyer/conical
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is a piece of laboratory glassware used to separate two immiscible (not mixing) liquids with different densities
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Bình gạn
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a type of laboratory glassware with a distinctive, rounded body that tapers to a narrow neck, resembling a pear
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Usually made of porcelain, Above the funnel-shaped part there is a cylinder with a perforated plate separating it from the funnel
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also known as a vacuum flask , filter flask, suction () flask, side-arm flask, is a thick-walled Erlenmeyer flask with a short glass tube and hose barb protruding about 1-2 cm from its neck.
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Bình định mức
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a piece of laboratory glassware designed to hold a specific volume of liquid at a particular temperature. It's used for precise dilutions and preparing standard solutions
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Quả bóp
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a manual device used to draw liquid into and out of pipettes , replacing mouth suction
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Pipet pasteur
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pipet chia vạch
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Pipet chia vạch
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bulb pipette, or belly pipette allows extremely accurate measurement (to four significant figures) of the volume of a solution
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Pipet bầu
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a common piece of laboratory glassware used to accurately measure the volume of liquids. It's a tall, cylindrical container with marked lines (graduations) indicating specific (cu the) volume measurements
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Ống đong
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A glass instrument used to measure volume, used in analytical chemistry to accurately distribute a certain amount of liquid
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Micropipet đa kênh
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aspirate or dispense multiple liquid volumes simultaneously.
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Đầu côn
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Micro pipet
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Hộp đầu côn pipet
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Nếu nói nguyên cái hộp đựng đầu côn
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Ống effendorf
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Chày
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Kẹp gắp
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Thìa ptn
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Cối
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Bình tia
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Đèn cồn
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Đũa thuỷ tinh
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Bình cầu cổ dài
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lưới amiang
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…
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Kẹp 3 ngón
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Kẹp cố định tròn
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Vv
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Vvv
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Kính hiển vi
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Lồng hút ẩm
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Cân phân tích
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Buồng soi uv
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Máy ly tâm
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Nồi gia nhiệt
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bếp khuấy từ gia nhiệt
(a)
Bể siêu âm
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Cân hàm ẩm
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Máy đo quang phổ uv
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Găng tay
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Kính bảo hộ
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Tủ bảo hộ
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Tủ hút
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Dội nước
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Mặt nạ bảo hộ
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Bộ sơ cứu
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Áo blouse bảo hộ
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Bếp cách thuỷ
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involves directly reacting a solution of known concentration (titrant) with a solution of unknown concentration (analyte) until a chemical reaction is complete
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a solution of known concentration that is added to another solution) (the analyte) to determine its concentrationl
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the method of determining the completion of a chemical reaction, often in titrations.
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denoting the liquid lying above a solid residue after crystallization, precipitation, centrifugation, or other process.
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(with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution.
Hoa tan
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Tiêu bản
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All parts of the plant growing on the ground, including stems, leaves, branches, flowers, fruits and seeds
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a drying method where items are dried in a shaded area, away from direct sunlight
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a low-temperature dehydration process that preserves food and other materials by removing water in the form of ice through sublimation (turning directly from solid to vapor)
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the process of a liquid slowly passing through a porous substance or filtering material
Osmosis, filtration or infiltration
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The process of softening a solid by soaking it in a liquid.
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a technique used to extract desired compounds from a solid material by continuously boiling a solvent, condensing it, and returning it to the extraction vessel
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a technique that uses ultrasonic waves to enhance the extraction of compounds from various materials, particularly from plant tissues.
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a liquid-liquid extraction technique used to separate organic compounds based on their acid-base properties
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distillation of a liquid in a current of steam, used especially to purify liquids that are not very volatile and are immiscible with water.
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Kỵ nước
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Thân nước
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Loại bỏ dung môi
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Is an organic material derived from plants, animals or organic waste, which can be used to produce energy
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Phân lập
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the removal of contaminants from something.
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only impure or unwanted ingredients present in a material or mixture
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