&lt;p&gt;&lt;span style=&quot;background-color: rgb(255, 255, 0);&quot;&gt;Les esp&egrave;ces chimiques&lt;/span&gt;&lt;/p&gt;&lt;p&gt;I) Notion d'esp&egrave;ce chimique&lt;/p&gt;&lt;p&gt;1) D&eacute;finition&amp;nbsp;&lt;/p&gt;&lt;pre style=&quot;font-size: 12.25px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;2- Identifier les caract&eacute;ristiques des esp&egrave;ces chimiques dans le (orange ) en utilisant les cinq sens&lt;/span&gt;&lt;/span&gt;&lt;/pre&gt;&lt;pre style=&quot;font-size: 12.25px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/pre&gt;&lt;pre style=&quot;font-size: 12.25px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;3- V&eacute;rification de la pr&eacute;sence de certaines esp&egrave;ces chimiques dans l&rsquo;orange &agrave; l'aide d'un simple &amp;nbsp;test&lt;/span&gt;&lt;/span&gt;&lt;/pre&gt;&lt;pre style=&quot;font-size: 12.25px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;&lt;br&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-weight: bolder; color: rgb(0, 0, 0); font-family: &amp;quot;Circular Std Book&amp;quot;; font-size: 14px;&quot;&gt;&lt;span style=&quot;font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;II-Classement des esp&egrave;ces chimiques&lt;/span&gt;&lt;/span&gt;&lt;/pre&gt;&lt;pre style=&quot;font-size: 12.25px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Cambria, &amp;quot;serif&amp;quot;;&quot;&gt;1- Esp&egrave;ces chimiques organiques et inorganiques.&lt;/span&gt;&lt;/span&gt;&lt;/pre&gt;