is mixing oil and water a chemical change
When oil and water mix it is due to an emulsifier being added to the solution. The emulsifier has one hydrophobic tail which will attach to the oil and one hydrophilic tail wh…ich attaches to the water.
Feb 18, 2009 · physical! Water is polar, oil is non polar! So they not reacting chemically! Can only mix like with like! (except alcohols them have to awkward) eg oils have no ‘OH’ groups making them polar, what does H20 If that makes sense!
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When mixing oil and water, neither substance changes and no new substance is formed. The oil is still oil and the water is still water. They retain their physical properties like melting point, boiling point, slipperiness, color, odor, and density. Since a chemical change did not occur, choice A …
Oct 23, 2007 · Answers. Not a trick question. They mix if you shake them up enough, but they retain their separate properties. You only break them up into tiny droplets of vinegar and oil, which appear as one liquid. If you let the mixture sit, they will separate again. So it is a physical change.
Chemical versus Physical Changes Permission to Copy – This document may be reproduced for non-commercial educational purposes Add some food coloring to the cup of glue solution and mix. Now add some sand to a new cup of water. What Happens? Was this a chemical change, physical change, or Neither? Why?
Dissolving sugar in water is an example of a physical change. Here’s why: A chemical change produces new chemical products. In order for sugar in water to be a chemical change, something new would need to result. A chemical reaction would have to occur. However, mixing sugar and water simply produces sugar in water!
So, the mixing of baking soda with water to get a clear solution has to be treated as a physical change. On the other hand, if the evaporation of water is carried …
This is a list of 10 examples of physical changes. crushing a can. melting an ice cube. boiling water. mixing sand and water. breaking a glass. dissolving sugar and water. shredding paper.
Physical And Chemical Changes 1. PHYSICAL AND CHEMICAL CHANGES sugar Freezing water for ice cubes Sanding a piece of wood Cutting your hair Mixing oil and vinegar 4. Can Physical Changes Be Undone? Think/Pair/Share Classify each of the following properties as either physical or chemical: 1. Reacts with Water 2. Dissolves in acetone 4.
For starters, oil is a complicated mixture of hundreds, sometimes thousands, of chemicals. Every source of oil, and even the same general types of oil (crude oils or fuel oils, for example) can have distinctive compositions depending on which oil field or well they came out of and how they were refined.
While water often mixes with other liquids to form solutions, oil and water does not. Water molecules are strongly attracted to each other, this is the same for oil, because they are more attracted to their own molecules they just don’t mix together.
The charges at either end of the water molecule help break up the chemical structures of other molecules. to help us mix oil and water. The surfactant we will use is dish detergent, which
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Sep 27, 2009 · Best Answer: for fruit rotting it is a chemical change because rotting fruit is loosing po and new chemicals are entering it if an element leaves or is added it’s chemical physical is gas liquid solid but same elements in it. as for oil and water mixing It is a physical change …