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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
Explain the term of solution.
How do the solubility of a solid and a gas affected by Increase in pressure.
Differentiate between Suspension and colloid.
Colloids have the particle size range between
How are sol, solution and suspension different from each other?
Explain the term of Solute.
Explain how the following factor affects the formation of a solution is Temperature of the solvent.
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’.
Two substances, A and B were made to react to form a third substance, A2B according to the following reaction
\[\ce{2A + B -> A2 B}\]
Which of the following statements concerning this reaction are incorrect?
(i) The product A2B shows the properties of substances A and B
(ii) The product will always have a fixed composition
(iii) The product so formed cannot be classified as a compound
(iv) The product so formed is an element
