the note is well enlighten... thank you so much

<h2>Heterogeneous Mixtures</h2>
<p>A <strong>heterogeneous</strong> mixture does not have a definite composition. Cereal in milk is an example of a heterogeneous mixture. Soil is another example. Soil has pebbles, plant matter and <a data-lesson="mixtures" data-subject="chemistry" data-tutorial="classification-of-matter" href="https://app.ulearngo.com/chemistry/classification-of-matter/mixtures">sand</a> in it. Although you may add one substance to the other, they will stay separate in the mixture. We say that these heterogeneous <a data-lesson="mixtures" data-subject="chemistry" data-tutorial="classification-of-matter" href="https://app.ulearngo.com/chemistry/classification-of-matter/mixtures">mixtures</a> are <em>non-uniform</em>, in other words they are not exactly the same throughout.</p>
<h3><strong>Cereal</strong></h3>
<p><img alt="" src="https://data.ulearngo.com/assets/06468031-7693-4533-b827-062153e578c9"/></p>
<div class="wp-caption alignnone" id="attachment_151072" style="width: 252px"><a href="https://data.ulearngo.com/assets/7df70ae0-cb1e-43d6-9716-af61a759ae72"><img alt="" class="wp-image-151072 size-full" height="252" src="https://data.ulearngo.com/assets/7df70ae0-cb1e-43d6-9716-af61a759ae72" width="252"/></a><p class="wp-caption-text">A submicroscopic representation of a heterogeneous mixture. The gray circles are one substance (e.g. one cereal) and the white circles are another substance (e.g. another cereal). The background is the milk.</p></div>
<div class="ns-school-emp">
<h3>Definition: Heterogeneous mixture</h3>
<div class="ns-school-defn">
<p>A heterogeneous mixture is one that consists of two or more substances. It is non-uniform and the different components of the mixture can be seen.</p>
</div>
</div>
<p>Heterogeneous mixtures can be further subdivided according to whether it is two liquids mixed, a solid and a <a data-lesson="summarizing-properties-of-liquids" data-subject="chemistry" data-tutorial="liquids-and-solids" href="https://app.ulearngo.com/chemistry/liquids-and-solids/summarizing-properties-of-liquids">liquid</a> or a liquid and a <a data-lesson="non-ideal-gas-behavior" data-subject="chemistry" data-tutorial="gases" href="https://app.ulearngo.com/chemistry/gases/non-ideal-gas-behavior">gas</a> or even a gas and a solid. These mixtures are given special names which you can see in table below.</p>
<div>
<table summary="              ">
<tbody>
<tr>
<td>
<p><strong>Phases of matter</strong></p>
</td>
<td>
<p><strong>Name of mixture</strong></p>
</td>
<td>
<p><strong>Example</strong></p>
</td>
</tr>
<tr>
<td>
<p>liquid-liquid</p>
</td>
<td>
<p>emulsion</p>
</td>
<td>
<p>oil in water</p>
</td>
</tr>
<tr>
<td>
<p>solid-liquid</p>
</td>
<td>
<p>suspension</p>
</td>
<td>
<p>muddy water</p>
</td>
</tr>
<tr>
<td>
<p>gas-liquid</p>
</td>
<td>
<p>aerosol</p>
</td>
<td>
<p>fizzy drinks</p>
</td>
</tr>
<tr>
<td>
<p>gas-solid</p>
</td>
<td>
<p>smoke</p>
</td>
<td>
<p>smog</p>
</td>
</tr>
</tbody>
</table>
<div>
<p><em>Table: Examples of different heterogeneous mixtures</em></p>
</div>
</div>
<section></section>

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Heterogeneous Mixtures

Chemistry generally explores the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances. 

Chemistry

Explore the arrangement of elements and learn about materials, mixtures, pure substances, and separation techniques, including chemical formulae and important concepts such as periods in the periodic table and chemical properties of groups.


Heterogeneous Mixtures

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