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moma
moma asks:
Q:

What are homogeneous mixtures?

Science
In Topics: Science fair
> 60 days ago

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dgraab
dgraab , Parent writes:
Hi, It sounds like you may be helping your child with a science fair project or science homework.

In addition to reviewing any directional content (textbook, worksheets, etc.) provided by your child's teacher, you could also learn about chemistry mixtures here:

http://en.wikipedia.org/wiki/Mixture

The answer to your question is included in that online encyclopedia entry, and sourced at the bottom of the page.

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chemteacher
chemteacher writes:
A homogeneous mixture is one where all of the particles are the same size and polarity. OK, in English this means that if I separate the sample into 100, 1000, whatever piles they will all look the same. An example is plain vanilla ice cream, a sheet of plain copy paper, etc. No matter which part is taken from the whole, it looks the same.

A solution usually indicates that the sample can be separated by physical means (filtering, drying it out, etc). A solution is made of 2 or more types of matter (elements and/or compounds).

So, a homogeneous solution would be a sample where the parts are well dissolved, but can be separated out by physical means.

As an aside, a heterogeneous sample is where NOT all of the parts are alike: a sheet of notebook paper (some would be plain white, others would have a red or blue line, etc), rocky road ice cream (marshmallows, nuts, etc in different amounts for each spoonful), or even a pencil (some parts have the graphite, others the wood, and some would have paint).

Hope this helps!
> 60 days ago

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reginaldxxx
reginaldxxx writes:
Homogenous Mixtures have only one phase, or have a uniform appearance throughout, and any portion of the sample has the same properties and composition.
> 60 days ago

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