lab safety equipment

Question 1

Beaker

Answer 1

Holds solids or liquids that will not release gases when reacted or are unlikely to splatter if stirred or heated

Question 2

Erlenmeyer Flask

Answer 2

Holds solids or liquids that may release gases during a reaction or that are likely to splatter is stirred or heated

Question 3

Florence Flask

Answer 3

Used for mixing chemicals. Its narrow neck prevents splash exposure

Question 4

Graduated Cylinder

Answer 4

Used to measure volumes of liquids

Question 5

Gas Collecting Bottle

Answer 5

Use these when large volumes of gases are produced, and must be collected by the displacement of water

Question 6

Test Tubes

Answer 6

Used to hold samples

Question 7

Test Tube Holder

Answer 7

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

Question 8

Test Tube Brushes

Answer 8

Used to clean test tubes and graduated cylinders

Question 9

Test Tube Racks

Answer 9

Used for holding and organizing test tubes on the laboratory counter

Question 10

Rubber Stoppers

Answer 10

Used to close containers to avoid spillage or contamination

Question 11

Spot Plates

Answer 11

Used when we want to perform many small scale reactions at one time

Question 12

Watch Glass

Answer 12

Used to hold a small amount of solid, such as the product of a reaction

Question 13

Glass Stir Rod

Answer 13

Used to manually stir solutions. It was also be used to transfer a single drop of solution

Question 14

Medicine Dropper

Answer 14

Used to transfer a small volume of liquid (less than one mL)

Question 15

Litmus Paper

Answer 15

Red litmus paper is used to identify bases. Blue litmus paper is used to identify acids

Question 16

Forceps

Answer 16

Used to pick up small objects

Question 17

Funnel

Answer 17

Used to aid in the transfer of liquid form one vessel to another

Question 18

Mohr Pipet

Answer 18

Measures and delivers exact volumes of liquids

Question 19

Wash Bottle

Answer 19

Has a spout that delivers a wash solution to a specific area. Distilled water is the only liquid that should be used in a wash bottle

Question 20

Weighing Boat

Answer 20

Used to weigh solids that will be transferred to another vessel

Question 21

Spatulas

Answer 21

Used to dispense solid chemicals from their containers

Question 22

Beaker Tongs

Answer 22

Used to move beakers containing hot liquids

Question 23

Bunsen Burner

Answer 23

Used for the heating of nonvolatile liquids and solids

Question 24

Evaporating Dish

Answer 24

Used for the heating of stable solid compounds and elements

Question 25

Crucible

Answer 25

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

Question 26

Clay Triangle

Answer 26

Used as a support for porcelain crucibles when being heated over a Bunsen burner

Question 27

Crucible Tongs

Answer 27

For handling hot crucibles; also used to pick up other hot objects. NOT for picking up beakers

Question 28

Glass Plates

Answer 28

Provide a surface for semi-micro scale experiments, such as drop reactions and testing of acids and bases

Question 29

Triangular File

Answer 29

Used primarily to cut a glass rod

Question 30

Ring stands and their Components

Answer 30

Are a safe and convenient way to perform reactions that require heating using a Bunsen burner

Question 31

Ring stands and their Components Iron Rings

Answer 31

Connect to a ring stand and provide a stable, elevated platform for the reaction

Question 32

Ring stands and their Components Utility Clamps

Answer 32

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

Question 33

Ring stands and their Components Double Buret Clamps

Answer 33

Used to burets-long graduated tubes used in titration

Question 34

Ring stands and their Components Wire Gauze

Answer 34

Sits on the iron ring to provide a place to stand a beaker

Question 35

Pressed Fiber Pad

Answer 35

A 4" by 4" square of ceramic fiber, it provides a surface for hot beaker so that the beaker does not come in contact with a cold countertop and shatter

Question 36

Strikers

Answer 36

Used to light bunsen burners