Question

What is meant by physical property of a substance?

Answer 1

Physical Properties: Physical properties can be observed or measured without changing the composition of matter. Physical properties are used to observe and describe matter. Physical propertiesinclude: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others.

Answer 2

Physical Property of Matter: Physical properties of matter can be observed and tested. They include properties such as color, length, volume, odor, and density. These properties are extensive if they depend on the amount of the substance being used or intensive if they do not depend on the amount of substance being used.
Examples of Physical Properties of Matter

There are many types of physical properties. Commonly used examples include density, color, odor, hardness, and volume. Physical properties are further classified based on whether they are extensive or intensive. Extensive physical properties are those that are dependent on the amount of the substance present. Intensivephysical properties are those that do not depend on the amount of the substance present. This means they will be the same whether you have one gram or one thousand kilograms of the substance.

Density is a physical property that is determined by dividing the mass of a given amount of a substance by its volume. It is often reported in units of g/mL, which means 'grams per milliliter'. Density is an intensive property because the density of a pure substance will be the same no matter how much of it you have. For example, the density of pure gold is 19.3 g/mL. This means that whether you have .5 grams or 200.5 grams of pure gold, the density will always be 19.3 g/mL when tested. Knowing this standard value enables jewelers to determine whether or not a item is a pure gold.
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