Related Questions

Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the
A Solute concentration
B Temperature
C Both A & B
D Neither A nor B
Number of gm moles of solute dissolved in one litre of a solution is called its
A Equivalent weight
B Molarity
C Molality
D Normality
Number of gram equivalent of solute dissolved in one litre of solution is called its
A Normally
B Molarity
C Molality
D Formality
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which
A A homogeneous solution (say of phenol water) is formed
B Mutual solubility of the two liquids shows a decreasing trend
C Two liquids are completely separated into two layers
D None of these
Heat of solution in a system in which both solute and solvent are liquids is termed as
A Heat of solvation
B Heat of hydration
C Standard integral heat of solution
D Heat of mixing
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
A Less than
B More than
C Equal to
D Either more or less; depends on the solvent
The activity co-efficient of the solute in a dilute solution
A decreases with increase of concentration of the solute
B increases with increase of concentration of the solute
C remains constant
D is unity at infinite dilution

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