lab equipment+functions

Question 1

beaker

Answer 1

a reaction container used to hold solid or liquid samples

Question 2

graduated cylinder

Answer 2

used to measure accurate volumes

Question 3

test tubes

Answer 3

made to withstand temperature changes and resist reactions with chemicals

Question 4

test tube clamp/holder

Answer 4

uses tension to hold glass test tube steady

Question 5

wash bottle

Answer 5

a plastic bottle with deionized water for use when tap water should not be used

Question 6

bunsen burner

Answer 6

used to heat/melt chemicals

Question 7

mortar pestle

Answer 7

a device used to crush and grind chemicals into a fine powder

Question 8

pipette

Answer 8

used to transfer small amounts of liquids and can dispense by drops

Question 9

volumetric flask

Answer 9

used for precise dilutions and preparation for standard solutions

Question 10

evaporating dish

Answer 10

used to evaporate solvents to produce a concentrated solution or a solid precipitate of the dissolved substance

Question 11

watch glass

Answer 11

a concave dish that can serve as lids for flasks and beakers, or a small plate on which to perform experiments

Question 12

test tube brush

Answer 12

used to scrub and clean a test tube

Question 13

crucible w cover

Answer 13

used for heating chemicals

Question 14

support stand

Answer 14

to provide support for other equipment and a means of raising equipment above the work surface

Question 15

erlenmeyer flask

Answer 15

used to contain liquids and their processes