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प्रश्न
Give reason for the following:
Colloidal solutions exhibit brownian movement.
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उत्तर
Particles in colloidal solutions do not settle down and are always in motion.
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संबंधित प्रश्न
Differentiate between Suspension and colloid.
How are sol, solution and suspension different from each other?
Explain the term of Solute.
Explain the term of solvent.
Explain how the following factor affects the formation of a solution is particle size of the solute.
Define the term ‘solubility ’ of a solute in water. If 10 g. of a solute is added to 100 g. of water at 50°C and stirred, it is seen that the total solute dissolves at that temperature giving an unsaturated solution. Is 10 g, the solubility of the solute in water. Give reasons.
Give a reason why on opening a bottle of soda [carbon dioxide dissolved in water] the gas escapes out with a ‘fizz’.
How are solutions generally classified. What is the basis of this classification.
Give four examples of each of the above types of solutions i.e. true solution, colloidal solution & suspension. Give a reason why a true solution does not exhibit ‘Tyndall effect’.
Select the correct answer of the following statement:
A heterogenous mixture of undissolved particles in dispersion medium, visible to the naked eye.
