laboratory equipments

Question 1

• Simple container for stirring,mixing and heating liquids.

- Available in a wide range of SIZE from 1 ml up to several litres

Answer 1

beaker

Question 2

FLAT, conical body, and a cylindrical NECK.

Answer 2

erlenmeyer flask

Question 3

• Flat BOTTOMED bulb with a long neck.

- Used for making SOLUTIONS to a known VOLUME

Answer 3

volumetric flask

Question 4

Used to accurately MEASURE the volume of an object

Answer 4

graduated cylinder

Question 5

-Used ti mix chemicals to carry out reactions
Neck(single neck,two neck)
Bottom(flat bottom,round bottom)

Answer 5

flask

Question 6

Used to very accurately MEASURE volumes of liquids

Answer 6

Burette/Buret

Question 7

Used to very accurately transfer a small volume of liquid

Answer 7

Pipette/Pipet

Question 8

Used in liquid-liquid EXTRACTIONS to SEPARATE the components of a mixture into two IMMISCIBLE solvent phases of different densities

Answer 8

separatory funnel

Question 9

Used the pour liquids inti containers with a small openings or to hold filter paper

Answer 9

funnel

Question 10

• Is a semi-permeable paper barrier

- Used to separate solids from liquids

Answer 10

filter paper

Question 11

Used for vacuum FILTRATION

Answer 11

Filtering flask/Buchner flask

Buchner funnel

Question 12

• Usually filled with distilled water
• Used for rinsing solids out of a container when FILTERING
• Used to RINSE glassware

Answer 12

wash bottle

Question 13

Used to move small amount of solid and powders from place to

place

Answer 13

spatula

Question 14

Used to mix chemicals, and also to heat chemicals

Answer 14

test tube

Question 15

Used to clean test tubes

Answer 15

test tube brush

Question 16

is useful for holding test tube which is hot to handle

Answer 16

test tube holder

Question 17

is useful for holding and organizing test tubes

Answer 17

test tube rocks

Question 18

used for heating certain solids, particularly metals, to a very high
temperatures

Answer 18

crucible

Question 19

used to move glassware or crucible containing hot liquids or solids

Answer 19

tongs

Question 20

is a circular concave piece of glass used in chemistry as a surface to
EVAPORATE a liquid, to hold solids while being weighed, as a cover
for a beaker

Answer 20

watch glass

Question 21

• It is a device used in the laboratory to cool hot gases into liquids
• It is usually a long, circular glass tube

Answer 21

condenser

Question 22

-A clamp stand or a ring stand is a piece of laboratory equipment.
-Clamps can be attached to hold other pieces of equipment. For
instance, burettes, commonly used for titration experiments, test
tubes and flasks

Answer 22

stand/ringstand

Question 23

Used to attach glassware such as test tubes, distillation columns, and
burets to the ringstand

Answer 23

clamp

Question 24

Connect to a ringstand and provide a stable, elevated platform

Answer 24

metal ring

Question 25

Used to weigh compounds

Answer 25

analytical balance

Question 26

Used to weigh solids that will be transferred to another vessel

Answer 26

weigh boat/weigh paper

Question 27

Used to determine pH of a solution

Answer 27

ph meter or ph stick

Question 28

Safety glass-front cabinet and exhaust fan

Used for experiments known to produce harmful fumes

Answer 28

fume hood

Question 29

Protects the eyes from chemicals

Answer 29

safety goggles

Question 30

Protects the body from chemicals

Answer 30

lab coat

Question 31

Used to separate liquid-liquid mixtures

Answer 31

distillation

Question 32

Used to separate solid-liquid mixtures

Answer 32

filtration