Quiz

Question 1

It usuallycontains distilled water and provides a convenient method towash out test tubes or pipettes.

Answer 1

Wash bottles

Question 2

it is a porcelain container used to pound orgrind solids in to powders.

Answer 2

Mortar and pestles

Question 3

it is a conical flask witha broad base.Thefunctionof aflask is to holdand store liquids.Ifgraduated, it canservetomake approximate measurementsofvolume.Thefalsk is made of specializedglass soit canbe heated and cooled without breaking.A stopper or cover allows for storageof liquids.

Answer 3

Erlenmeyerflask

Question 4

it is anironw are used to hold testtubes,especially when heating.

Answer 4

Testtube holder

Question 5

It is an ironware used to firmly support set-ups on a stand

Answer 5

Iron clamp

Question 6

it is used for supporting beakersand flask when theyarebeing heated with a bunsen burner. This is made up of a metal mesh screen that contains a ceramic fiber circlein the center that can withstand extremely high temperatures.

Answer 6

Wire gauze

Question 7

it is aninverted conical apparatuswith atapering tube at the smallend.They are usuallymade of stainless steel, glassor pl;astics.It is used to channelliquidor fine-grainedsubstancesinto containers with a smallopening.

Answer 7

Funnel

Question 8

-it isacylindrical tube with a spout and graduation. They are specifically designedtomakeaccurateliquid volume measurements.

Answer 8

Graduated cylinder

Question 9

it is a solid cylindrical glassused to agitate liquids for speeding upreactions or improving mixtures,also used to aid in the transfer of liquids without spilling.

Answer 9

Glassrod

Question 10

it isa woodendevice used to transporttesttubes while at rest.

Answer 10

Test tube rack-

Question 11

it is a deep open-mouthed thin cylindrical vessel with as pout.Thebprimary function of a beaker is to hold and work with liquids. The beaker is made of specialized glass so it can beheated and cooled without breaking.

Answer 11

Beaker

Question 12

it directly regulate the gasline.It is a type of gas burner commonly used as a heat source in laboratory experiments.The burner consists of a flat base with a straight tube extending vertically,known as the barrel or chimney.

Answer 12

Bunsen burner-

Question 13

is the laboratory burner to heat substances.The burner can be regulated by changing the air and gas mixture.

Answer 13

Tirril burner

Question 14

it is a cylindrical tube closed at one end.The testtube is made of specialized glass so it can be heated and cooled without breaking.The
function is to hold a small experiment,
which would be used to conduct an
investigation.

Answer 14

Testtube

Question 15

It is a porcelain containersolventsby heating.

Answer 15

Evaporatingdish

Question 16

it is flask fitted with a stopper.It is a type of laboratoryflask used in analyticalchemistry for the preparationof solutions.it is made of
glass or plastic and consistsof a flat
bottomed bulb with a long neck,usually

Answer 16

Volumetric flask

Question 17

It is an ironwareused
to hold crucibles and evaporatingdish.

Answer 17

.Crucible tong

Question 18

it is a circular concave piece of glass used in chemistryas a surface to evaporatea liquid,to hold
solids while being weighed,for heating a small amount of substance and as a
cover for a beaker.

Answer 18

Watch glass

Question 19

-it is a laboratory instrument used to measure out or transfer small quantities of liquid,in volumes of milliliters (mL),microliters (μL).

Answer 19

Pipette

Question 20

It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle.By using rubber bulb,the contact of the mouth to the chemicals can be avoided.

Answer 20

Rubber Stopper