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What precaution must be taken to avoid contaminating the dropper for potassium Chromate with lead (2) nitrate on a watch glass?
Wiki User
∙ 6y ago
To avoid contamination, ensure that the dropper does not touch the watch glass when dispensing potassium chromate. Use a clean dropper for each reagent to prevent cross-contamination. Additionally, always store droppers upright when not in use to prevent contact with other chemicals.
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What precaution must be taken to avoid contaminating the dropper for potassium chromate with lead III nitrate on a watch glass?
To avoid contaminating the dropper, use a separate clean dropper for each solution. Make sure not to cross-contaminate the droppers. Additionally, keep the droppers capped when not in use to prevent any accidental spills or contamination.
What is the purpose of a dropper pipette?
The purpose of a dropper pipette is to administer only a small drop of a liquid to something. The dropper pipette is a tool that will allow you to squeeze a single drop of the liquid it contains.
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The flow rate of liquid from a dropper typically increases with higher liquid density. This is due to the increased weight of the liquid causing it to flow more quickly through the dropper. Conversely, lower density liquids flow more slowly from a dropper.
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A penny dropper refers to someone who intentionally drops a penny on the ground with the intent of seeing if anyone picks it up. It can be used as a form of social experiment or to gauge people's honesty.
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The scientific term for an eye dropper is a "pipette" or "transfer pipette." It is a laboratory tool used to transfer small quantities of liquids.
What precaution must be taken to avoid contaminating the dropper for potassium chromate with lead III nitrate on a watch glass?
To avoid contaminating the dropper, use a separate clean dropper for each solution. Make sure not to cross-contaminate the droppers. Additionally, keep the droppers capped when not in use to prevent any accidental spills or contamination.
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