The circular mark made in pipette's neck signifies
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Answer:
THE laboratory apparatus for carrying out reactions, in general, is made up of glass. ... by means of water aspirator (Fig. 2.13) or ... of the circular mark should be observable in single line.
Answer:
Concept:
A pipette is a laboratory instrument frequently used in chemistry, biology, and medicine to convey a predetermined volume of liquid, frequently as a media dispenser. From simple single-piece glass pipettes to more intricate adjustable or electronic pipettes, there are many different kinds of pipettes available for a variety of purposes with varying degrees of accuracy and precision. When using a pipette, liquid is drawn up and dispensed by selectively releasing a partial vacuum that is created above the liquid-holding chamber. Depending on the instrument, measurement accuracy varies substantially.
Given:
The pipette's neck has a circular marking that denotes.
Find:
find the correct answer for the given question
Answer:
The answer is the volume of liquid
The circular mark made in pipette's neck signifies volume of liquid
It is a long, narrow tube with a bulb in the middle and a nozzle at one end. On its neck, a circle mark is created to denote the volume of liquid.
Lower meniscus should be taken into account for colourless fluids and upper meniscus for coloured solutions. It is employed to measure a predetermined volume of liquid substances and transfer that volume to another vessel.
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