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
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
A Exact concentration of solution is not given
B Character of semi permeable membrane is not given
C The flow of solution is not possible through semi permeable membrane
D All are incorrect
If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is
A 1
B 2
C 3
D 0
If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is
A Zero
B One
C Two
D Three
If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.
A 10
B 20
C 70
D 100
The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.
A Power of hydrogen ion concentration
B Percentage of hydrogen ions
C Presence of hydrogen ions
D None of these
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
A Hyperbolic
B Parabolic
C Linear
D Logarithmic
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.
A Integral
B Differential
C Both A & B
D Neither A nor B

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