Check all the ways listed below that ensure accurate reading of volume from a graduated pipette.

Biology

1 answer:

SpyIntel [72]3 years ago

7 0

Answer:

The options are

tapping the base of the pipette on the table

using subtraction to determine the volume dispensed

making sure that you read the volume with the liquid inside the pipette at eye level

reading only the final volume of liquid after dispensing

ensuring that air bubbles are not in the column of liquid inside the pipette

The answer is

using subtraction to determine the volume dispensed

making sure that you read the volume with the liquid inside the pipette at eye level

ensuring that air bubbles are not in the column of liquid inside the pipette.

Explanation:

A pipette is an instrument used in the laboratory for transporting and movement of liquid substances for various experiments. It is usually graduated to ensure accurate measurements of the liquid substance.

To ensure accurate reading of volume from a graduated pipette, precautions listed should be taken:

Using subtraction to determine the volume dispensed

Making sure that you read the volume with the liquid inside the pipette at eye level

Ensuring that air bubbles are not in the column of liquid inside the pipette.

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