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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:
Solute
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)
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.
State the characteristics of a true solution.
Differentiate between the following:
Solute and solvent – forming a 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?
