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प्रश्न
What is a solution?
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उत्तर
When a solute is dissolved in a solvent, it forms a solution.
Solute + solvent → solution.
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संबंधित प्रश्न
Why is water called a universal solvent?
Define:
Saturated solutions
State two factors by which solubility of a solute in a solvent can be increased.
Give a reason why water is considered a universal solvent.
Define the term solution with reference to the addition of sodium chloride to water.
Draw a neat labelled diagram of the addition of copper sulphate to water. Label solute, solvent, and solution in the same.
If ‘X’ g. of potassium nitrate is added to 100 g. of water at 60°C and the salt dissolves completely then :
(a) is ‘X’ g. the solubility of potassium nitrate at 60°C.
(b) is the solution formed – saturated or unsaturated
(c) if on addition ‘X’ + ‘Y’ g. of potassium nitrate to the same amount of water at the same temperature and the solute now just remains behind after stirring then –
(d) is the solution now – saturated or unsaturated
(e) is ‘X’ + ‘Y’ g. the solubility of potassium nitrate.
State whether the following statement is true or false. If false write the correct statement.
Solubility of most solids – decreases with increase in temperature
State the characteristics of a true solution.
Vinu dissolves 50 g of sugar in 250 ml of hot water, Sarath dissolves 50 g of the same sugar in 250 ml of cold water. Who will get a faster dissolution of sugar? and Why?
