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प्रश्न
How do the solubility of a solid and a gas affected by Increase in pressure.
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उत्तर
Pressure has practically no effect on the solubility of a solid (solute) in water.
In the case of gases, the amount of a gas dissolved in water increases with an increase in pressure.
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संबंधित प्रश्न
Give two example of Colloid.
Explain the term of Solute.
Explain the term of solvent.
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’.
Draw a table to differentiate – True solutions, colloidal solutions & suspensions – with respect to
- Type of mixture
- Solute particles in the mixture.
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.
Give reason for the following:
Colloidal solutions exhibit brownian movement.
