Description: In this lab work, students investigate the chemical properties and reactions of various carbohydrates: glucose, starch, and sucrose. Qualitative reactions will be performed to identify their reducing properties and their ability to undergo hydrolysis.
| Long-Term Plan Section | Standard Curriculum Subsections: | Learning Objectives: |
| Chemistry of Living Systems | Structure, Properties, and Uses of Carbohydrates | 11.5.1.11 – perform a qualitative test for starch 11.5.1.12 – name the hydrolysis products of sucrose, starch, and cellulose 11.5.1.13 – compare the structure and properties of starch and cellulose |
- Copper(II) sulfate (CuSO₄)
- Alkali (NaOH)
- Glucose (powder or solution from the pharmacy)
- Starch (or water from boiled potatoes)
- Iodine solution (5%, pharmacy)
- Sugar
- Citric acid
- Water
- Test tubes, stand, pipettes
