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Experimental Chemistry Mind Map - Coggle Diagram
Experimental Chemistry Mind Map
Apparatus
Beaker: Container for holding and mixing liquids, not used for accurate measurement.
Measuring Cylinder: More accurate than a beaker, used for measuring liquids.
Pipette: Measures fixed volumes of liquids accurately, commonly used in titration.
Burette: Best accuracy for measuring variable liquid volumes, used in titration.
Measure & Collection of Gas
Gas Syringe: Checks and measures the volume of gas, gas-soluble gases are not suitable.
Water Displacement: Collects gas that is insoluble in water.
Downward Delivery: For gases denser than air (e.g., CO2, Cl2).
Upward Delivery: For gases lighter than air (e.g., H2, NH3).
Separation Techniques
Filtration: Separates an insoluble solid from a liquid using filter paper.
Crystallization:
Heat gently to form a saturated solution.
Cool the solution for crystals to form.
Filter and dry the crystals.
Distillation:
Simple Distillation: Separates a liquid from a dissolved solid (e.g., water from saltwater).
Fractional Distillation: Separates liquids with different boiling points (e.g., ethanol and water).
Magnetic Attraction: Used to separate magnetic materials like iron, steel, nickel, or cobalt from non-magnetic substances.
Chromatography:
Separates mixtures based on solubility in a solvent.
More soluble substances travel further.