問題一覧
1
used to closed containers to avoid spillage or contamination
Rubber stoppers
2
used to transfer a single drop of a solution and used to manually stir solution
Glass stirring rod
3
used for storage, mixing and display
Reagent bottle
4
used for heating of non volatile liquids and solids
bunsen burner
5
holding and organizing test tubes on the laboratory counter
test tube racks
6
- makeup solutions for fixed volume - used for preparing chemical solution
volumetric flask
7
used to measure volume of liquid
graduated cylinder
8
provide surface for semi micro scale experiments
glass plates
9
used to move beakers containing hot liquids
Beaker tongs
10
- used for accurate fluid dispensing and measurement - graduated glass tube and stop clock at the bottom
burette
11
used to clean test tube and graduated cylinder
test tube brushes
12
used to hold small amount of solids such as the product of a reaction
watch glass
13
-culture tube - fingerlike length - place in special-purpose racks
Test tube
14
-heating substance that needed to heat evenly -mostly used in distillation experiments
florence flash
15
used to dispense solid chemicals from their containers
spatulas
16
used to secure a test tube distillation columns and burette to the ring stand
utility clamps
17
place to stand a beaker
wire gauze
18
used for holding a test tube which is too hot to handle
test tube holder
19
used to pick up small objects
Forceps
20
used to channel liquids are fine grained with small opening
laboratory funnel
21
used for heating certain solids and metal to very high temperature
crucible
22
when want to to perform any small scale reaction at one time
spot plates
23
safe and convenient way to perform reaction that require heating using a bunsen burner
ring stand
24
used to transfer a small volume of liquid
medicine dropper
25
used to support porcelain crucibles when heating
Clay triangle
26
used for heating of stable solid compounds and elements
evaporating dish
27
-with pouting lip - used as a standard container -used for steering, mixing and heating liquid
Beaker
28
Has spout delivers a wash solution and only distilled water will use
Wash bottle
29
-used to heat and store liquid - bottom in wider than top
erlenmeyer flask