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प्रश्न
Define Solvent.
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उत्तर
A solvent is a medium in which a solute dissolves. It is in large quantity in a solution. Water is the most common solvent. The other solvents are alcohol, carbon tetrachloride, etc.
Example: Water
संबंधित प्रश्न
Why is water called a universal solvent?
Define:
Solution
Define:
Saturated solutions
Define:
Unsaturated solutions
Fill in the blank.
A _______ is a uniform mixture of a solute and a solvent.
Draw a neat labelled diagram of the addition of copper sulphate to water. Label solute, solvent, and solution in the same.
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
Name the following
The liquid or medium of dissolution which allows the solute to dissolve in it.
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
Define the term solute.
Define the term solution.
Differentiate between the following:
Solute and solvent – forming a solution.
What is a solution?
Solutions which contain three components are called a binary 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?
