4.
Explain the following giving examples.
(a) saturated solution
(b) pure substance
(c) colloid
(d) suspension
Answers
Explanation:
(a) Saturated solution: Solution in which no more solute can be dissolved at a particular temperature is known as saturated solution. ... The solute particles in suspension do not dissolve but remain suspended throughout the medium. For example Paints, Muddy water chalk water mixtures etc.
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Answer:
- saturated solution
a saturated solution is a solution in which the maximum amount of solute has been dissolved at a given temperature the solution cannot dissolved beyond that amount of solute at the temperature any more solute added will settle down at the bottom of the container as precipitate.
suppose 500 gram of a solvent can dissolve a maximum of 150 gram of a particular solute at 40 degree Celsius then the solution obtained by dissolving 150 gram of that solute is 500 gram of that solvent at 300 K is said to be saturated solution at 300 k.
- pure substance
pure substance is a substance consisting of a single type of particles example all constituent particles of a substance have have the some chemical properties for example salt sugar water are pure substance.
- colloid
colloid is a heterogeneous mixture full stop the size of the solute in this mixture is so small that they cannot be seen individually with naked eyes and seem to be distributed uniformly throughout the mixture the solute particle do not settle down the mixture in left undistributed this means colloid are quit stable . colloid cannot separated by centrifugation colloids show the tyndal effect . for example milk butter fog smoke cloud.