Which of the following statements is true for homogeneous mixtures?aHomogeneous mixtures have several phases. bHomogeneous mixtures have indefinite compositions.cThe components of homogeneous mixtures are uniformly mixed in solutions. dThe components of homogeneous mixtures can be separated by mechanical means.
Question
Which of the following statements is true for homogeneous mixtures?aHomogeneous mixtures have several phases. bHomogeneous mixtures have indefinite compositions.cThe components of homogeneous mixtures are uniformly mixed in solutions. dThe components of homogeneous mixtures can be separated by mechanical means.
Solution
The correct statement is: "The components of homogeneous mixtures are uniformly mixed in solutions."
Explanation:
a) Homogeneous mixtures do not have several phases. They exist in a single phase, which is why they appear uniform throughout.
b) Homogeneous mixtures do not have indefinite compositions. They have a definite composition. For example, in a sugar water solution, the ratio of sugar to water is fixed.
c) This is the correct statement. In a homogeneous mixture, the components are uniformly mixed. This means that any sample taken from the mixture will have the same proportions of the components.
d) The components of homogeneous mixtures cannot be separated by mechanical means. They are so thoroughly mixed that they appear as one substance, and simple physical methods like filtration or decantation cannot separate them.
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