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chem lab
  • cole likey

  • 問題数 49 • 8/23/2024

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    問題一覧

  • 1

    a simple container for stirring, mixing and heating liquids commonly used in many laboratories

    beaker

  • 2

    a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top

    test tube

  • 3

    It holds a small experiment, which would be used to conduct an investigation

    test tube

  • 4

    Can be used as a container to hold solutions of chemicals. It is designed for uniform heating and ease of swirling

    florence flask

  • 5

    A widely used type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck and are suitable for heating liquids

    erlenmeyer flask

  • 6

    A piece of laboratory equipment used to accurately measure the volume of a liquid

    graduated cylinder

  • 7

    A pipe with a wide, often conical mouth and a narrow stem

    funnel

  • 8

    It is used to channel liquid or fine-grained substances into containers with a small opening

    funnel

  • 9

    A circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker.

    watch glass

  • 10

    A laboratory device for evaporation of solids and supernatant fluids, and sometimes to their melting point

    evaporating dish

  • 11

    A ceramic container capable of withstanding extreme temperatures, whilst the cover is designed to prevent heat escaping from itself

    crucible and cover

  • 12

    Containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers and are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.

    reagent bottle

  • 13

    Device for combining a flammable gas with controlled amounts of air before ignition

    bunsen burner

  • 14

    A piece of laboratory equipment used to hold things and is placed in an iron stand to elevate other equipment

    iron clamp

  • 15

    A metal rod attached to a heavy metal base

    iron stand

  • 16

    The heavy base keeps the stand stable, and the vertical metal rod allows for easy height adjustment of the iron ring/clamp

    iron stand

  • 17

    Holds a glassware such as a funnels or other objects, like the wire gauze or clay triangle for heating with a Bunsen burner

    iron ring

  • 18

    Designed to hold test tubes. However, it can be used to hold pipettes and stirring rods, etc. as well.

    test tube holder

  • 19

    A device, made with nylon bristles attached to a twisted-wire shaft, used to knock the bottoms out of test tubes

    test tube brush

  • 20

    It is a brush that is long and narrow to clean the inside of the glassware

    test tube brush

  • 21

    Place under the container holding the liquid, that is being heated by the Bunsen burner, so that the container doesn't have direct contact with the flame.

    wire gauze

  • 22

    A three-legged equipment, generally used as a platform of some sort

    tripod

  • 23

    A lab equipment is used to support and hold various flasks, beakers and other glass ware when not in use and also during experiments

    tripod

  • 24

    Used to take and handle small quantities of solid chemicals

    spatula

  • 25

    A piece of laboratory equipment used to mix chemicals and liquids for laboratory purposes

    stirring rod

  • 26

    A tool used to crush, grind, and mix solid substances

    mortar and pestle

  • 27

    An instrument used to measure small amount of liquids, usually in milligrams

    medicine dropper

  • 28

    A convenient and necessary piece of laboratory equipment for the storage of test tubes

    test tube racks

  • 29

    A device that measures temperature or temperature gradient using a variety of different principles

    laboratory thermometer

  • 30

    An instrument used to see objects that are too small for the naked eye

    microscope

  • 31

    A type of balance commonly used in the laboratory to determine the mass of samples

    triple beam balance

  • 32

    A laboratory tool used to transport a measured volume of liquid. It is also use to extract or deliver small amounts of liquid.

    pipette

  • 33

    Used to dispense known amounts of a liquid reagent in experiments

    burette

  • 34

    A form of equal-arm balance in which two flat platforms are attached to the top side of the beam, one at each end

    platform balance

  • 35

    Used to measure mass to a high degree of precision and accuracy

    analytical balance

  • 36

    Also known as an eductor-jet pump ,or a filter pump. This is a device that is able to produce a vacuum by using the venturi effect

    aspirator

  • 37

    Used to hold many different things such as flasks, crucibles, and evaporating dishes when they are hot

    tongs

  • 38

    A piece of laboratory glassware, a type of laboratory flask, used in analytical chemistry for the preparation of solutions

    volumetric flask

  • 39

    A lab apparatus used to separate individual substances from a mixture using centrifugal acceleration

    centrifuge

  • 40

    the containers used for the centrifuge

    centrifuge tube

  • 41

    Simply a spring fixed at one end with a hook to attach an object at the other

    spring balance

  • 42

    It balance measures the weight of an object by opposing the force of gravity with the force of an extended spring

    spring balance

  • 43

    Used to submerge materials into hot water avoiding direct heat or fire

    water bath

  • 44

    An enclosure where that can apply extreme heat on a substance and is commonly used for melting metals

    furnace

  • 45

    Used for sterilizing lab equipments using the application of purely dry heat

    dry heat oven

  • 46

    Used on substances where it applies a specific level of vibration for mixing delicate substances

    vortex mixer

  • 47

    Used to cover the openings of containers such as flasks and test tubes in order to seal chemicals

    rubber stoppers

  • 48

    A equipment made of ceramic that can withstand extreme heat it is used as a platform where you can heat things

    clay triangle

  • 49

    Actype of glassware where you can observe substances while running tests on it

    petri dish