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what is chromatography?
Chromatography : a process used for separating mixtures by virtue of differences in absorbency. http://www.thefreedictionary.com/chromatography
Expert answered|goodman25|Points 263|
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Asked 3/2/2010 10:12:09 AM
Updated 2/3/2014 1:04:45 PM
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Edited by jeifunk [2/3/2014 1:04:43 PM]
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Questions asked by the same visitor
the wire inside a fuse is tin why would it be dangerous to replace the fuse in a plug with a piece of copper wire when copper melts at 1350 degrees celsius and tin melts at 500 degrees celsius?
Weegy: Whether it will be dangerous depends on the thickness of the copper wire you use. [ The whole point of the fuse is to guard the gates, so to speak, and to burn the tiny thin wire inside, thus preserving the electrical circuit in your home (lights, appliances, etc.) from burning during fluctuations in the electrical current. The danger is if you replace the burned tiny thin wire with a thicker one. That will allow the electrical fluctuations to travel past it - to your home, potentially burning electrical appliances and causing fire. Myself, I have done it - the result was that every time there was an even minute change in the electrical current (and these occur quite frequently), the overhead bulb in my bedroom would explode in a very dramatic way. When I got tired of replacing bulbs on a weekly basis, I bought automatic fuse. ;-) ] (More)
Question
Expert Answered
Updated 167 days ago|6/12/2022 10:07:23 PM
1 Answer/Comment
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Added 167 days ago|6/12/2022 10:07:23 PM
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Deleted by anthony23 [6/13/2022 12:37:16 AM]
ammeter?
Question
Not Answered
Updated 6/27/2014 5:15:12 PM
4 Answers/Comments
An ammeter is a measuring instrument used to measure the electric current in a circuit. Electric currents are measured in amperes.
Added 3/2/2010 5:05:21 AM
it is a measuring instrument
Added 3/2/2010 5:10:56 AM
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Added 3/2/2010 5:13:53 AM

An ammeter is a measuring instrument used to measure the electric current in a circuit.

Added 6/27/2014 5:15:12 PM
This answer has been confirmed as correct and helpful.
what is polymer made from ethane?
Weegy: Engineering polymers include natural materials such as rubber and synthetic materials such as plastics and elastomers. (More)
Question
Expert Answered
Updated 8/10/2015 6:17:54 PM
1 Answer/Comment
Polyethylene is a polymer made from ethane.
Added 8/10/2015 6:17:54 PM
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what is polymer made from ethene?
Question
Updated 8/10/2015 6:21:23 PM
1 Answer/Comment
Polyethene (polythene) is the polymer made by linking many ethene molecules together.
Added 8/10/2015 6:21:23 PM
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