3 years ago

How can a liquid be drawn into a pipette safely?

Biology

1 answer:

Reptile [31]3 years ago

5 0

Answer:

By squeezing a bulb attached to the wide end of the pipette

Explanation:

You squeeze the bulb and place it on the wide end of the pipet. Then you place the tip of the pipet in the solution and release your grip to pull it into the pipet.

B is wrong, unless you want to accidentally get a mouthful of the sulfuric acid or cyanide you are pipetting.

C and D are wrong. Even the wide end of a pipette is too narrow to fill with either a beaker or an eyedropper.

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