CHEM 18 (LAB): LABORATORY APPARATUS

Question 1

Used as a guide for transferring liquids.

Answer 1

Funnel

Question 2

Used to measure the exact volume of substances, especially liquids. Has a neck lock. The neck lock prevents the beaker from breaking if ever it topples over.

Answer 2

Graduated Cylinder

Question 3

Used for containers when observings how liquids spread and how liquids or chemicals mix.

Answer 3

Watch Glass

Question 4

Used to contain substances in the lab and is used for approximate volume, and only approximate volume.

Answer 4

Beaker

Question 5

Also used to measure approximate volume. Funnel-shaped because it is used for mixing substances.

Answer 5

Erlenmeyer Flask

Question 6

Used for substances that are tested in the laboratory. Has a glass top cap and is held between the fingers.

Answer 6

Reagent Bottle

Question 7

Container, for substances, that can be heated like the beaker and flask but not at very high temperatures.

Answer 7

Test Tube

Question 8

Has a flat bottom and is slightly round. Used as a container for substances that are to be heated.

Answer 8

Florence Flask

Question 9

Has a round bottom and is used for heating substances.

Answer 9

Round bottom Flask

Question 10

Similar to the round bottom but has a sidearm. The side arm is known as your condenser. Used for distillation purposes.

Answer 10

Distilling Flask

Question 11

Used to filter the flame of the bunsen burner.

Answer 11

Cobalt Glass

Question 12

Used for flame tests and works together with the cobalt glass. Burning it would give different coloured flames. Has a looped tip, which is supposed to give a thin film of your liquid.

Answer 12

Nichrome Wire

Question 13

It weighs solids you wish to dilute.

Answer 13

Volumetric Flask

Question 14

Similar to the watch glass except it only uses a single drop, unlike the watch glass which uses plenty of chemicals. Used for qualitative analysis.

Answer 14

Spot Plate

Question 15

Similar to a watch glass except it has grooves. Liquids will be thinly spread and the grooves assist in the evaporation process.

Answer 15

Speedyvap (Speedy Evaporation)

Question 16

Used to pulverize or make solids smaller. Slow grinding motion in order to not spill its contents.

Answer 16

Mortar (bowl) and Pestle (rounded tool)

Question 17

Contains substances that you would like to evaporate and dry out in order to see the remaining solid. Used to contain substances for evaporation or drying.

Answer 17

Evaporating Dish

Question 18

Supposed to contain distilled water for rinsing your glassware, not metalware.

Answer 18

Wash Bottle

Question 19

Used to support the funnel in the filtration of substances and as a support for glasswares that are being heated.

Answer 19

Iron ring

Question 20

Used to hold glasswares in place.

Answer 20

Universal clamp and Condenser clamp

Question 21

Used as additional support for the iron ring.

Answer 21

Wire triangle

Question 22

Used to pick up hot objects and crucibles.

Answer 22

Crucible tong

Question 23

Has three legs and is also used for supporting glassware that you are heating.

Answer 23

Tripod

Question 24

Used to pick up hot test tubes.

Answer 24

Test tube holder

Question 25

Used to transfer liquid from one container to another. Also known as dropper.

Answer 25

Mini pipette

Question 26

Used to measure exact volume and works together with the aspirator. Has calibrations.

Answer 26

Pipette

Question 27

Used for cleaning glassware.

Answer 27

Test tube brush

Question 28

Used to produce the flame needed in heating substances in the lab.

Answer 28

Bunsen burner

Question 29

Bunsen burner: Yellow flame

Answer 29

Luminous

Question 30

Bunsen burner: Blue flame

Answer 30

Non-luminous

Question 31

Used for transferring solids from one container to another.

Answer 31

Spatula

Question 32

Used for stirring or mixing substances.

Answer 32

Stirring rod

Question 33

Used for support for the glassware. Its main purpose is to spread the flame so the flame will not be concentrated in one area and will not damage the glassware.

Answer 33

Wire gauze

Question 34

Containing water and has rings on top.

Answer 34

Water bath

Question 35

Used to support test tubes

Answer 35

Test tube rack

Question 36

Test tube holder __ the test tube while the test tube rack ___ the test tubes.

Answer 36

Holds; Supports

Question 37

Sucks the liquid into the pipette

Answer 37

Aspirator

Question 38

Used for gravimetric analysis

Answer 38

Crucible

Question 39

Used for measuring the weight of objects.

Answer 39

Platform Balance and Triple Beam Balance