Per NCERT Class 9 Science, the CONCENTRATION of a solution is defined as which of the following?
AThe total volume of the solution in litres
BThe amount of solute dissolved in a given amount of solvent or solution
CThe temperature at which the solute dissolves
DThe colour of the solution
Answer & Solution
Correct answer: B. The amount of solute dissolved in a given amount of solvent or solution
NCERT's definition: concentration = amount of solute per unit amount of solvent / solution. The other options misstate the concept.
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