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Class 3 Biology

January 27,2022

Class 3 Biology – a topic on macromolecules and food tests, enabled our students to experience the use of different scientific equipment and reagents to observe colour changes. Food tests were done to identify the presence of carbohydrates, lipids and proteins. Carbohydrates changed Benedict’s reagent from blue –> orange. Lipids were tested by adding ethanol […]


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