Lab Equipment

Question 1

watch glass

Answer 1

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

Question 2

wash bottle

Answer 2

has a spout that delivers a wash solution to a specific area. distilled water is the only liquid that should be used

Question 3

stir rod

Answer 3

used to manually stir solutions. it can also be used to transfer a single drop of solution

Question 4

iron rings

Answer 4

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

Question 5

crucible

Answer 5

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

Question 6

clay triangle

Answer 6

used for a support for porcelain crucibles when being heated over a Bunsen burner

Question 7

pipet

Answer 7

measures and delivers exact volumes of liquids

Question 8

funnel

Answer 8

used to aid in the transfer of liquid from one vessel to another

Question 9

bunsen burner

Answer 9

used for the heating of nonvolatile liquids and solids

Question 10

Florence flask

Answer 10

rarely used in the first year of chemistry, it is used for the mixing of chemicals. narrow neck prevents splash exposure

Question 11

evaporating dish

Answer 11

used for the heating of stable solid compounds and elements

Question 12

beaker tongs

Answer 12

used to move beakers containing hot liquids

Question 13

ring stand

Answer 13

are a safe and convenient way to perform actions that require heating using a Bunsen burner

Question 14

Erlenmeyer flask

Answer 14

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

Question 15

test tube rack

Answer 15

are for holding and organizing test tubes on the laboratory counter. plastic rack may melt in contact with very hot test tubes

Question 16

wire gauze

Answer 16

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

Question 17

test tube holder

Answer 17

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

Question 18

glass plate

Answer 18

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

Question 19

dropper

Answer 19

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

Question 20

test tube brushes

Answer 20

used to clean test tubes and graduated cylinders

Question 21

utility clamp

Answer 21

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

Question 22

forceps

Answer 22

(or tweezers) are used to pick up small objects

Question 23

beaker

Answer 23

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

Question 24

crucible tongs

Answer 24

used to pick up other hot objects, not to be used for picking up beakers

Question 25

spatulas

Answer 25

are used to dispense solid chemicals from their containers

Question 26

graduated cylinder

Answer 26

used to measure volumes of liquids

Question 27

weighing boat

Answer 27

used to weigh solids that will be transferred to another vessel