2. What will happen if we do not remove the air bubble from nozzle of burette?
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3. What is the simple method of getting a correct reading of burette?
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4. Why it is necessary to rinse the burette after washing with water?
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Answers
Q. 1 Answer:- If we do not remove the air bubble from the nozzle of burette errors will be occurring in a titration. Titration is an analytical method. ... Because air bubbles cause errors in volume readings.
Q 2 Answer:- When the liquid is filled inside the burette,the uppermost layer of that liquid forms a concave surface and for getting a correct reading we should measure the lower tip of that concave upper surface and we should avoid the upper surface of that concave ,in order to avoid measurement mistakes.
Q. 3 Answer:- When you're cleaning your glassware, you use water to rinse it off. If the burette is not completely dry by the time you use it, the remaining traces of water on the inside will make your titrant more dilute and thereby change its concentration.