Why burette has high accuracy as compared to beaker and measuring cylinder?
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Answer:
A burette is noramally a long narrow tube, whereas a beaker is wider.
Explanation:
The smaller crosssectional area of a burette means that less liquid needs to be added in order to raise the level a certain amount. Since there is a minimum limit of levelrise that the human eye can detect, the volumetric resolution of the burette is bigger than the beaker which has a larger surface area. The burette therefore makes it easier to evaluate small volumes correctly.
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