Lab Apparatus and Functions

Question 1

Triple Beam Balance

Answer 1

It is an instrument used to measure mass very precisely. The device has reading
error of +/- 0.05 gram.

Question 2

Analytical Balance

Answer 2

A class of balance designed to measure small mass in the sub- milligram range.

Question 3

Bunsen Burner

Answer 3

A type of gas burner, commonly used in chemical laboratories, with which a very hot, practically nonluminous flame is obtained by allowing air to enter at the base and mix with the gas.

Question 4

Hot Plate

Answer 4

ability to heat the sample without any exposed flames

Question 5

Wire Gauze

Answer 5

A sheet of thin metal that is used to protect the glassware during the heating process.

Question 6

Iron Ring

Answer 6

Used as base to hold the wire gauze and any other container to be
heated.

Question 7

Iron Clamp

Answer 7

Used to hold the test tube, distilling flask, and other apparatus to be
heated.

Question 8

Iron Stand

Answer 8

Supports the iron ring and iron clamp during heating, distillation, and other extraction purposes.

Question 9

Clay Triangle

Answer 9

Supports the crucible on an iron ring when heating.

Question 10

Crucible Tongs

Answer 10

A tool used to hold hot materials or apparatus.

Question 11

Crucible and Cover

Answer 11

A heat resistant container with cover in which ores or materials are melted.

Question 12

Evaporating Dish

Answer 12

A shallow heat resistant porcelain dish in which a solution is heated and allowed to
evaporate leaving a residue on its plate.

Question 13

Beakers

Answer 13

Least accurate instrument for measuring volume

Question 14

Graduated Cylinder

Answer 14

Used to precisely measure the volume of liquids

Question 15

Volumetric Flask

Answer 15

Used to measure a single predetermined volume

Question 16

Erlenmeyer Flask

Answer 16

Used to measure approximate volumes, mixing, and sample

storage

Question 17

Pipette

Answer 17

Used to measure a volume of liquid that is being transferred to another container

Question 18

Burette

Answer 18

Used in quantitative chemical analysis to measure the volume of a
liquid or a gas

Question 19

Dropper

Answer 19

Used to move a small amounts of liquid from one place to another

Question 20

Spatula

Answer 20

Used for moving small amounts of solid from one place to another

Question 21

Test Tube

Answer 21

Used to mix, store or heat small amount of substances

Question 22

Funnel

Answer 22

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