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Questions asked by the same visitor
Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel
Weegy: D. Stainless steel. Stainless steel is a metal alloy. All metal alloys are a Heterogeneous mixture because the elements contained therein are not chemically bonded. [ If heated, stainless steel forks, for instance, would separate into their component metals according to density. ] (More)
Question
Updated 8/27/2013 3:06:14 PM
1 Answer/Comment
The answer is C. A jar of mixed nuts.
Added 8/27/2013 3:06:14 PM
Which of the following is a physical change? A. sawing a piece of wood in half B. burning a piece of wood C. rust forming on an iron fence D. a copper roof changing color from red to green
Question
Not Answered
Updated 6/28/2014 8:40:55 AM
1 Answer/Comment
Sawing a piece of wood in half is a physical change.
Added 6/28/2014 8:40:55 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [12/14/2014 6:08:02 AM]
The usefulness of Mendeleev’s periodic table was confirmed by A. the discovery of subatomic particles. B. its immediate acceptance by other scientists. C. the discovery of elements with predicted properties. D. the discovery of the nucleus.
Weegy: The usefulness of Mendeleev’s periodic table was confirmed by the discovery of elements with predicted properties. (More)
Question
Updated 12/9/2014 9:17:20 AM
0 Answers/Comments
When the forward and reverse paths of a change occur at the same rate, A. the system is conserved. B. the system is in equilibrium. C. the change must be physical. D. the change must be chemical.
Question
Updated 172 days ago|12/4/2015 4:09:45 AM
1 Answer/Comment
When the forward and reverse paths of a change occur at the same rate, the system is in equilibrium.
Added 172 days ago|12/4/2015 12:38:13 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [12/4/2015 4:09:38 AM]
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