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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:
Saturated solutions
Define:
Unsaturated solutions
Fill in the blank.
A _______ is a uniform mixture of a solute and a solvent.
From the following substances given below state which will form a solution in the same.
(a) sodium carbonate
(b) calcium carbonate
(c) charcoal powder
(d) sodium sulphate
(e) table salt
(f) powdered particles of lead from a lead pencil
(g) iron powder
(h) copper filings
(i) sand particles
(j) honey
Define the term solute.
Define the term – solvent
State the characteristics of a true solution.
Differentiate between the following:
Solute and solvent – forming a solution.
Polar compounds are soluble in _____ solvents
A homogeneous mixture of two or more substances is called ______.
