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Question

1. What is the difference between homogeneous and heterogeneous mixtures? If both are in single phase then what is the difference between them?

2. What do you mean by the statement "All solutions are homogeneous mixture but not all homogeneous mixture are solutions"

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Solution

Dear student,

1. difference between homogeneous and heterogeneous mixtures.

A homogeneous mixture is a mixture where the components that make up the mixture are uniformly distributed throughout the mixture.
A Heterogeneous mixture is a mixture where the components of the mixture are not uniform or have localized regions with different properties.

Usually, mixtures are treated as hetero and homo. But in the case of single-phase, in a physical approach, we can say that if a sample contains its own particles in a dissimilar manner or has different sizes, its hetero, and if they are the same it can be called homo. But usually, it is only used for mixtures.

2. The statement means that there are homogeneous mixtures that are not solutions. Simply, can be said that all homogeneous mixtures are not solutions.
Proof:
the concept "solution" is reserved for solid and liquid phases. In the gas phase: Air is an example of homogeneous mixture of nitrogen, oxygen, carbon dioxide, and other gases present in air. It's obvious that air is not a solution because it does have completely dissolved solute.


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