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Questions asked by the same visitor
Which of the following is a chemical property of water? A. Sugar dissolves in it. B. It is a colorless liquid. C. It has a boiling point of 100 ºC. D. It is composed of two hydrogen atoms and one oxygen atom.
Weegy: best answer: D. It is composed of hydrogen and oxygen. (More)
Question
Updated 12/19/2012 8:44:06 AM
1 Answer/Comment
Weegy's answer is correct, being D. All others are physical properties.
Added 12/19/2012 8:44:06 AM
what is corrosion
Question
Updated 12/19/2012 9:23:56 AM
1 Answer/Comment
Corrosion is the gradual destruction of material, usually metals, by chemical reaction with its environment. In the most common use of the word, this means electrochemical oxidation of metals in reaction with an oxidant such as oxygen.
Added 12/19/2012 9:23:56 AM
If a substance is heated and then cooled off but remains as the original substance a __________ change has occurred. A. physical B. chemical C. structural D. physical and chemical
Question
Updated 212 days ago|11/27/2015 11:36:46 AM
1 Answer/Comment
If a substance is heated and then cooled off but remains as the original substance a physical change has occurred.
Added 213 days ago|11/26/2015 3:51:40 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [11/27/2015 11:36:47 AM]
What is an astrolabe? A. a navigation device B. a 15th century ship C. a 15th century medical instrument D. a type of printing press
Weegy: A. a navigation device (More)
Question
Updated 12/19/2012 10:36:14 AM
1 Answer/Comment
An astrolabe is a navigation device. The answer is A. a navigation device.
Added 12/19/2012 10:36:17 AM
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