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1 answer:
The answer is: To demonstrate that the liquid is a mixture, the scientist can perform the chromatography.
Mixture: They are formed when two elements or compounds are combined physically and not chemically.
What are the types of mixtures?
- Mixtures are divided into two categories :Homogeneous and heterogeneous.
- Homogeneous mixtures- They have the same composition throughout their mass and there are no visible boundaries between the components of the mixture. Example- Sugar solution, salt solution, alloys, alcohol dissolved in water.
- Heterogeneous mixture- They do not have the same composition throughout there are visible boundaries between the components of the mixture. Example- Milk, sand, and iron fillings, solution of
, solution of
.
- To demonstrate the the given liquid is a mixture, the scientist can perform Chromatography.
- Chromatography is based on the different rates of adsorption of components of a mixture on a suitable adsorbent.
- When a drop of a mixture of substances is put on a chromatogram paper and the paper is dipped in a solvent, the substance that is more soluble in the solvent rises faster compared to others. And due to this difference in adsorption of different substances, they are separated by the method of chromatography.
- If two spots are seen on a chromatogram that means the liquid is a mixture and if only one spot is visible, that suggests that liquid is a pure liquid.
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