Answer :
A homogeneous mixture is composed of different parts that are indistinguishable in their color, texture, or appearance.
What is the difference between homogenous and heterogeneous mixtures?
The extent of the elements' mixing together and the uniformity of their composition distinguish heterogeneous mixtures from homogeneous ones.
Homogenous mixture
- When the elements that make up a combination are evenly distributed throughout the mixture, the mixture is said to be homogenous.
- The combination has a constant composition throughout. In a homogeneous mixture, only one phase of matter is visible at any given time.
- In a homogenous mixture, you would not see a liquid and a gas or a liquid and a solid.
- Examples: air, sugar water, steel, etc.
Heterogeneous mixture
- A heterogeneous mixture is one in which the constituent parts are not uniform or have discrete areas with various qualities.
- The various samples from the mixture differ from one another.
- In a heterogeneous mixture, even though two or more regions have the same state of matter, you can always distinguish between them by looking at their unique qualities.
- Examples: Cereal in milk, vegetable soup, blood, etc.
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Final answer:
A homogeneous mixture is characterized by having a uniform composition throughout and its different parts cannot be distinguished visually. The correct answer is B, indicating that a homogeneous mixture is composed of different parts that are indistinguishable in appearance. Examples include sugar water and air.
Explanation:
A homogeneous mixture is a mixture in which the composition is uniform throughout. This means that the different parts of the mixture are not distinguishable by visual inspection. An example of a homogeneous mixture would be salt dissolved in water. Once the salt is dissolved, it's evenly distributed within the water and the individual salt particles can no longer be seen. The answer to the student's question is B. This is because a homogeneous mixture is composed of different parts that are indistinguishable in their color, texture, or appearance.
Examples of homogeneous mixtures include solutions like sugar in water, gaseous mixtures like the air we breathe, and solid solutions such as steel. These mixtures appear to be single substances even though they are composed of two or more substances mixed together at the molecular or ionic level. Homogeneous mixtures are also known as solutions, particularly when they involve a solute dissolved in a solvent, like salt water.
