<!-- wp:paragraph {"placeholder":"Write lesson content..."} --> <p><strong><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-vivid-red-color">Summary</mark></strong></p> <!-- /wp:paragraph --> <!-- wp:sensei-lms/lesson-actions --> <div class="wp-block-sensei-lms-lesson-actions"><div class="sensei-buttons-container"><!-- wp:sensei-lms/button-view-quiz {"inContainer":true} --> <div class="wp-block-sensei-lms-button-view-quiz is-style-default sensei-buttons-container__button-block wp-block-sensei-lms-button-view-quiz__wrapper"><div class="wp-block-sensei-lms-button-view-quiz is-style-default wp-block-sensei-button wp-block-button has-text-align-left"><button class="wp-block-button__link">Take Quiz</button></div></div> <!-- /wp:sensei-lms/button-view-quiz --> <!-- wp:sensei-lms/button-complete-lesson {"inContainer":true} --> <div class="wp-block-sensei-lms-button-complete-lesson is-style-default sensei-buttons-container__button-block wp-block-sensei-lms-button-complete-lesson__wrapper"><div class="wp-block-sensei-lms-button-complete-lesson is-style-default wp-block-sensei-button wp-block-button has-text-align-left"><button class="wp-block-button__link sensei-stop-double-submission">Complete Lesson</button></div></div> <!-- /wp:sensei-lms/button-complete-lesson --> <!-- wp:sensei-lms/button-next-lesson {"inContainer":true} --> <div class="wp-block-sensei-lms-button-next-lesson is-style-default sensei-buttons-container__button-block wp-block-sensei-lms-button-next-lesson__wrapper"><div class="wp-block-sensei-lms-button-next-lesson is-style-default wp-block-sensei-button wp-block-button has-text-align-left"><button class="wp-block-button__link">Next Lesson</button></div></div> <!-- /wp:sensei-lms/button-next-lesson --> <!-- wp:sensei-lms/button-reset-lesson {"inContainer":true} --> <div class="wp-block-sensei-lms-button-reset-lesson is-style-outline sensei-buttons-container__button-block wp-block-sensei-lms-button-reset-lesson__wrapper"><div class="wp-block-sensei-lms-button-reset-lesson is-style-outline wp-block-sensei-button wp-block-button has-text-align-left"><button class="wp-block-button__link sensei-stop-double-submission">Reset Lesson</button></div></div> <!-- /wp:sensei-lms/button-reset-lesson --></div></div> <!-- /wp:sensei-lms/lesson-actions --> <!-- wp:paragraph --> <p>Chemicals are raw materials that are produced in the laboratory which are required in small or large quantities by chemical industries for chemical processes.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Chemicals are majorly classified into two, namely: chemicals based on use and chemicals based on hazardous nature</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Chemicals based on use is further classified into five, which are Pharmaceutical / cosmetics chemicals; Nuclear chemicals; Agrochemicals; Industrial chemicals and Laboratory chemicals.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Based on hazardous nature, chemicals can be grouped into: Highly hazardous and toxic chemicals; Moderately hazardous and toxic chemicals and Non-hazardous and non-toxic chemicals.</p> <!-- /wp:paragraph --> <div class="sign-up-notice-after-excerpt-two" style="background-color:powderblue;"> You are viewing an excerpt of this lesson. Subscribing to the subject will give you access to the following: <ul> <li>The complete lesson note and evaluation questions for this topic</li> <li>The complete lessons for the subject and class (First Term, Second Term & Third Term)</li> <li>Media-rich, interactive and gamified content</li> <li>End-of-lesson objective questions with detailed explanations to force mastery of content</li> <li>Simulated termly preparatory exams</li> <li>Discussion boards on all lessons and subjects</li> <li>Guaranteed learning</li> <li>Win great prizes for topping the <a href="https://www.primacyebooks.com">Primacy Ebooks</a></li> </ul> </div> <div class="sensei-message info"></div>