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प्रश्न
Give a reason why water is considered a universal solvent.
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उत्तर
Water is a polar covalent compound. When it comes in contact with any substance it breaks the electrostatic forces holding the molecules of that substance. Thus, the molecules break loose from the substance and hence dissolve in water. Thus, water is called a universal solvent and an alkali is not.
संबंधित प्रश्न
Define:
Solution
State two factors by which solubility of a solute in a solvent can be increased.
Fill in the blank.
A _______ is a uniform mixture of a solute and a solvent.
Complete the statement by filling in the blanks with the correct words.
If potassium nitrate is added to water in a beaker to give a homogeneous mixture, then potassium nitrate is referred to as the __________, water as the __________, and the homogeneous mixture as the _______.
(solution/ solute/solvent/saturated solution)
Name the following
The liquid or medium of dissolution which allows the solute to dissolve in it.
State whether the following statement is true or false. If false write the correct statement.
Solubility of most solids – decreases with increase in temperature
Define the term solute.
Define the term solution.
Polar compounds are soluble in _____ solvents
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?
