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  • Jovell Reyes

  • 問題数 29 • 10/4/2023

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    問題一覧

  • 1

    -culture tube - fingerlike length - place in special-purpose racks

    Test tube

  • 2

    -with pouting lip - used as a standard container -used for steering, mixing and heating liquid

    Beaker

  • 3

    used to channel liquids are fine grained with small opening

    laboratory funnel

  • 4

    used for storage, mixing and display

    Reagent bottle

  • 5

    - used for accurate fluid dispensing and measurement - graduated glass tube and stop clock at the bottom

    burette

  • 6

    -used to heat and store liquid - bottom in wider than top

    erlenmeyer flask

  • 7

    -heating substance that needed to heat evenly -mostly used in distillation experiments

    florence flash

  • 8

    - makeup solutions for fixed volume - used for preparing chemical solution

    volumetric flask

  • 9

    used to move beakers containing hot liquids

    Beaker tongs

  • 10

    used to measure volume of liquid

    graduated cylinder

  • 11

    used for holding a test tube which is too hot to handle

    test tube holder

  • 12

    used to clean test tube and graduated cylinder

    test tube brushes

  • 13

    holding and organizing test tubes on the laboratory counter

    test tube racks

  • 14

    used to closed containers to avoid spillage or contamination

    Rubber stoppers

  • 15

    when want to to perform any small scale reaction at one time

    spot plates

  • 16

    used to transfer a single drop of a solution and used to manually stir solution

    Glass stirring rod

  • 17

    used to pick up small objects

    Forceps

  • 18

    used to hold small amount of solids such as the product of a reaction

    watch glass

  • 19

    Has spout delivers a wash solution and only distilled water will use

    Wash bottle

  • 20

    used for heating of non volatile liquids and solids

    bunsen burner

  • 21

    used for heating of stable solid compounds and elements

    evaporating dish

  • 22

    used for heating certain solids and metal to very high temperature

    crucible

  • 23

    used to support porcelain crucibles when heating

    Clay triangle

  • 24

    safe and convenient way to perform reaction that require heating using a bunsen burner

    ring stand

  • 25

    used to secure a test tube distillation columns and burette to the ring stand

    utility clamps

  • 26

    place to stand a beaker

    wire gauze

  • 27

    used to transfer a small volume of liquid

    medicine dropper

  • 28

    provide surface for semi micro scale experiments

    glass plates

  • 29

    used to dispense solid chemicals from their containers

    spatulas