Chem Glassware & Pipettes

Question 1

calibrated to hold one exact volume of liquid (TC); has round lower portion with flat bottom and long, thin neck with etched calibration line

Answer 1

volumetric flask

Question 2

designed to hold different volumes; has wide bottom that gradually evolves into a smaller short neck

Answer 2

Erlenmeyer flask

Question 3

designed to hold different volumes; has flat bottom, straight sides, and an opening as wide as the flat base with a small spout at the lip

Answer 3

Griffin beaker

Question 4

long, cylindrical tubes held upright by an octagonal or circular base; has horizontal calibration marks and used to measure volumes of liquids; do not have accuracy of volumetric labware

Answer 4

graduated cylinders

Question 5

type of lab equipment used to transfer liquids; can be reusable or disposable; usually used for volumes <20 mL; designed to contain (TC) or to deliver (TD)

Answer 5

pipettes

Question 6

pipette with continuous etched ring or two small rings located near the top of the pipette, meaning the last drop of liquid should be expelled into the receiving vessel

Answer 6

blowout pipette

Question 7

pipette that can be drained by gravity; tip should remain in contact with the side of the vessel for several seconds after liquid has drained (except in Mohr pipette)

Answer 7

self-draining pipette