The following substances are added to water in a beaker as shown below. Stir it well. A true solution is formed in the beaker
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A true solution is formed in the beaker is the solution of water and salt
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A true solution is in the beaker [II].
What is a true solution?
- A true solution is a homogeneous mixture.
- A true solution cannot scatter light because of small size of solute particles.
- The size of solute particles is less than 1 nanometre.
- True solution is a clear solution and solute-solvent cannot be visibly separated.
Beaker 1:
- Kerosene in water is not a true solution.
- Kerosene and water stays separated in the beaker due to different densities of both liquids.
- It is not a clear solution.
- It is a heterogeneous solution.
Beaker 2:
- Sugar in water is a true solution because sugar solute particles can dissolve completely in water.
- It forms a clear solution and there is no Tyndall effect observed.
Beaker 3:
- Soap in water is not a true solution,
- It is a form of colloidal solution as it is not clear and scatters light.
- Soap in water solution shows Tyndall effect.
Beaker 4:
- Milk in water is a colloidal solution.
- It is not a true solution.
- Scattering of light i.e. Tyndall effect is observed in such a mixture.
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