Answer:
A homogeneous mixture, also known as a solution, is a type of mixture in which the components are uniformly distributed throughout the mixture. In other words, the composition of a homogeneous mixture is the same throughout its entire volume. On the other hand, a heterogeneous mixture is a type of mixture in which the components are not uniformly distributed and can be distinguished from one another.
To better understand the difference between homogeneous and heterogeneous mixtures, let's consider some naturally occurring mixtures in the environment.
1. Seawater: Seawater is an example of a homogeneous mixture. It is composed of various dissolved salts, such as sodium chloride, magnesium chloride, and calcium chloride, along with other dissolved substances like gases and organic compounds. When we take a sample of seawater from any part of the ocean, its composition remains consistent throughout. The salt and other dissolved substances are evenly distributed, making it a homogeneous mixture.
2. Soil: Soil is an example of a heterogeneous mixture. It consists of a combination of minerals, organic matter, water, air, and living organisms. If we examine soil closely, we can observe different components such as sand particles, clay particles, organic debris, roots, insects, and microorganisms. These components are not uniformly distributed throughout the soil; instead, they form distinct layers or regions within it. This non-uniform distribution makes soil a heterogeneous mixture.
3. Granite: Granite is a common rock found in the Earth's crust and is composed of various minerals like quartz, feldspar, and mica. When we examine granite at a macroscopic level, we can see different colored grains that represent different minerals. These minerals are not uniformly distributed within the rock; instead, they form distinct patterns or patches. Therefore, granite is considered a heterogeneous mixture.
In summary, a homogeneous mixture has uniform composition throughout its volume, while a heterogeneous mixture has non-uniform composition with distinguishable components or regions. The distinction between these two types of mixtures is based on the distribution of their components.
Step-by-step explanation: