lab equipment

Question 1

Beaker

Answer 1

A wide-mouthed vessel used to hold, heat, stir, or mix solutions. Not an accurate measurement of volume.

Question 2

Graduated cylinder

Answer 2

A thinner cylinder tube used to measure a variety of volumes. More accurate than beakers, but not as accurate as volumetric flasks or burets, etc.

Question 3

Erlenmeyer flask

Answer 3

A conical flask with a narrowed neck. Used to swirl mixtures and for mixing, heating, and stirring solutions. It is also used in titrations, and is not an accurate measurement of volume.

Question 4

Volumetric flask

Answer 4

Has a circular base with a long, thin neck. Used commonly to create dilute solutions, and is a more accurate form of measurement.

Question 5

Boiling flask

Answer 5

Has a round bottom with a longer neck. Used to swirl and heat solutions, but is not used for measuring volume. It cannot stand up by itself.

Question 6

Pipette

Answer 6

The most precise way of measuring volume. These are used to transfer a specific amount of volume and come in a wide range of sizes.

Question 7

Buret

Answer 7

Are used to dispense highly accurate volumes of liquid. Burets are used a lot in titrations, and is a long and graduated piece of glassware.

Question 8

Test tube

Answer 8

These are small, glass tubes with rounded bottoms. They hold small volumes and are used for mixing or comparing solutions. It is not used to measure volumes.

Question 9

Dropper

Answer 9

Small glass tubes with rubber bulbs at the end used to dispense small amounts of liquid drop-wise.

Question 10

Bunsen burner

Answer 10

The burner is connected to a gas source through rubber tubing to create a small flame. The gas flow and airflow can both be controlled.

Question 11

pH meter

Answer 11

Accurately measures the pH of a solution. It needs to be calibrated before each use.