Which is the least precise of these devices for measuring liquid volumes? 1. graduated cylinder 2. pipet 3. beaker 4. buret?

Answer : The correct option is, (3) Beaker.

Explanation :

Graduated cylinder : It is a measuring cylinder that is used to measure the volume of a liquid. It has a narrow cylindrical shape. The marked line drawn on the graduated cylinder shows the amount of liquid that has been measured.

Pipet : It is a type of laboratory equipment that is used to measure the volume of a liquid. It is small glass tube and the marked line drawn on the pipet. It is used to accurately measure and transfer of volume of liquid from one container to another.

Buret : It is a type of laboratory tool that is also used for measuring the volume of liquid. It is a glass tube with tap present at one end for transferring the liquid. It is also used to accurately measure and transfer of liquid.

Beaker : It is a type of laboratory equipment that has cylindrical shape and it is used for the mixing, stirring, and heating of chemicals.

As per question, we conclude that the beaker is least precise than other devices because in beaker the marking lines are not accurate. Thus, it cannot be used to measure volume to precision.

Hence, the correct option is, (3) Beaker.

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