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  • Understanding Physical Properties: Definition, Examples & Characteristics
    A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical composition.

    Here's a breakdown:

    * Observable: You can see or perceive it with your senses (e.g., color, texture, odor).

    * Measurable: You can quantify it using instruments (e.g., density, melting point, boiling point).

    * No Chemical Change: The substance remains the same after the property is observed or measured.

    Examples of physical properties:

    * Color: The appearance of a substance (e.g., blue, red, silver)

    * Texture: The feel of a substance (e.g., rough, smooth, silky)

    * Odor: The smell of a substance (e.g., sweet, pungent, earthy)

    * Density: The mass of a substance per unit volume (e.g., water has a density of 1 g/mL)

    * Melting Point: The temperature at which a solid turns into a liquid

    * Boiling Point: The temperature at which a liquid turns into a gas

    * Solubility: The ability of a substance to dissolve in another substance (e.g., sugar dissolves in water)

    * Conductivity: The ability of a substance to conduct heat or electricity

    Contrast with Chemical Properties:

    Chemical properties describe how a substance reacts with other substances and whether it can undergo chemical changes. For example, flammability (the ability to burn) is a chemical property.

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