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What are the functions of different laboratory apparatus?

Sagot :

Beakers are useful as a reaction container or to hold liquid or solid samples. They are also used to catch liquids from titrations and filtrates from filtering operations.

Bunsen burners are sources of heat.

Burets are for addition of a precise volume of liquid. The volume of liquid added can be determined to the nearest 0.01 mL with practice.

Clay triangles are placed on a ring attached to a ring stand as a support for a funnel, crucible, or evaporating dish.Droppers are for addition of liquids drop by dropErlenmeyer flasks are useful to contain reactions or to hold liquid samples. They are also useful to catch filtrates.

Glass funnels are for funneling liquids from one container to another or for filtering when equipped with filter paper.

Graduated cylinders are for measurement of an amount of liquid. The volume of liquid can be estimated to the nearest 0.1 mL with practice.

Pipets are used to dispense small quantities of liquids.

Ring stand with rings or clamps are for holding pieces of glassware in place.

Test tubes are for holding small samples or for containing small-scale reactions.

Test tube holders are for holding test tubes when tubes should not be touched.

Tongs are similar in function to forceps but are useful for larger items.

Volumetric flasks are used to measure precise volumes of liquid or to make precise dilutions.

Wash bottles are used for dispensing small quantities of distilled water.

Watch glasses are for holding small samples or for covering beakers or evaporating dishes.

Wire gauze on a ring supports beakers to be heated by Bunsen burners
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