Unit 1-Lab Equipment Flashcards Preview

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Flashcards in Unit 1-Lab Equipment Deck (37):
1

Beaker

Holds solids or liquids that do not release gas or unlikely to splatter if stirred or heated

2

Erlenmeyer flask

Holds solids or liquids that may release gas during a reaction or likely to splatter

3

Florence flask

Used for mixing chemicals, narrow neck prevents splash exposure

4

Graduated cylinder

Used to measure volumes of liquids

5

Gas collecting bottle

Used when large volumes of gases are produced and must be collected by displacement of water

6

Test tubes

Holds solids and liquids

7

Test tube holder

Used for holding hot tubes

8

Test tube brush

Used to clean tubes and graduated cylinders

9

Test tube racks

Used for holding and organizing test tubes

10

Rubber stopper

Used to close containers to avoid spillage or contamination

11

Spot plates

Used to perform many small scale reactions at the same time

12

Watch glass

Used to hold small amounts of solid such as product of reaction

13

Glass stir rod

Used to manually stir solutions, can also be used to transfer a single drop of solution

14

Medicine dropper

Used to transfer small volume of liquid (less than one mL), has rubber bulb

15

Litmus paper

Red paper turns to blue if acidic, blue paper turns red if basic

16

Forceps

Used to pick up small objects

17

Funnel

Used to aid in transfer of liquid from one vessel to another

18

Mohr pipet

Measures and delivers exact volumes of liquids

19

Wash bottle

Has a spout that delivers a wash solution, uses distilled water

20

Weighing boat

Used to weigh solids that will be transferred to another vessel

21

Spatula

Used to dispense solid chemicals to their containers

22

Beaker tongs

Used to move beakers containing hot liquids

23

Bunsen burner

Used for heating nonvolatile liquids and solids

24

Evaporating dish

Used for heating of stable solid compounds and elements

25

Crucible

Used for heating certain solids, particularly metals, to very high temp

26

Clay triangle

Used to support porcelain crucibles when heated over bunsen burner

27

Crucible tongs

Used for handling hot crucibles, not used for beakers

28

Glass plates

Provide surface for semi-micro scale experiments

29

Triangular file

Used to cut glass rods

30

Ringstands

Safe and convenient way to perform reactions that require heating using a bunsen burner

31

Ringstand components

Iron rings
Utility clamp
Double buret clamps
Wire gauze

32

Utility clamp

Used to secure test tubes, distillation columns, and burets to ring stand

33

Iron rings

Connect to a ring stand to provide a platform

34

Wire gauze

Sits on iron ring to provide place to put beaker (white stuff used to be asbestos)

35

Pressed fiber pad

4 x 4 inch square of ceramic fiber, provides surface for hot beakers

36

Strikers

Used to light bunsen burners

37

Double buret clamps

Used for burets, long graduated tubes used in titration