123

Apuntes

• Subtopic: Lab Equipment and Their Uses 1. **Tongs** Used to pick up or hold hot objects. 2. **Beaker** A wide-mouthed container used to transport, heat, or store substances. 3. **Test Tube Brush** A brush used to clean test tubes, which are small glass containers used to view chemical reactions or to heat small amounts of a substance at high temperatures. 4. **Pipet** Used to dispense a very small amount of a liquid. 5. **Liebig's Condenser** Used for distillation purposes or to separate homogeneous liquid mixtures. 6. **Volumetric Flask** Used to prepare a solution of accurate concentration. 7. **Graduated Cylinder** Used to measure the volume of liquids precisely. 8. **Evaporating Dish** Used for the evaporation of solutions for crystallization purposes. 9. **Funnel** Used to pour liquids into containers with small openings or to hold filter paper. 10. **Wire Gauze & Clay Triangle** Used to spread the flame of a burner to heat objects or chemicals. The clay triangle is another piece of equipment used in the heating process. 11. **Erlenmeyer Flask & Rubber Stoppers** A narrow-mouthed container used to transport,...