chem lab equipment

Question 1

Crucible

Answer 1

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

Question 2

Utility Clamps

Answer 2

Used to secure test tubes, distillation columns, and burets to the ringstand.

Question 3

Clay Triangle

Answer 3

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

Question 4

Graduated Cylinder

Answer 4

Used to measure volumes of liquids.

Question 5

Test Tube Holder

Answer 5

Used for holding a test tube which is too hot to handle.

Question 6

Glass Plates

Answer 6

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

Question 7

Crucible Tongs

Answer 7

Used for handling hot crucibles, also used to pick up other hot objects, NOT to be used for picking up beakers.

Question 8

Bunsen Burner

Answer 8

Used for the heating of nonvolatile liquids and solids.

Question 9

Florence Flask

Answer 9

Used for the mixing of chemicals. A narrow neck prevents splash exposure.

Question 10

Glass Stir Rod

Answer 10

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

Question 11

Beaker

Answer 11

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

Question 12

Weighing Boat

Answer 12

Used to weigh solids that will be transferred to another vessel.

Question 13

Test Tube Racks

Answer 13

Used for holding and organizing test tubes on the laboratory counter. Plastic racks may melt in contact with very hot test tubes.

Question 14

Wire Gauze

Answer 14

Sits on the iron ring to provide a place to stand a beaker. On older wire gauze, the white material is asbestos.

Question 15

Erlenmeyer Flask

Answer 15

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

Question 16

Spatulas

Answer 16

Used to dispense solid chemicals from their containers. Chemicals should never be transferred with your bare hands.

Question 17

Medicine Dropper

Answer 17

Used to transfer a small volume of liquid. (less than 1 mL)

Question 18

Watch Glass

Answer 18

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

Question 19

Test Tube Brushes

Answer 19

Used to clean test tubes and graduated cylinders.

Question 20

Wash Bottle

Answer 20

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 21

Funnel

Answer 21

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

Question 22

Test Tube

Answer 22

used to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays

Question 23

Iron Rings

Answer 23

Connect to a ringstand and provide a stable, elevated platform for the reaction.

Question 24

Forceps

Answer 24

Used to pick up small objects (tweezers).

Question 25

Mohr Pipet

Answer 25

Measures and delivers exact volumes of liquids.

Question 26

Beaker Tongs

Answer 26

Used to move beakers containing hot liquids.

Question 27

Evaporating Dish

Answer 27

Used for the heating of stable solid compounds and elements.

Question 28

Ring stand

Answer 28

It is a safe and convenient way to perform reactions that require heating using a Bunsen burner.