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
For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
A Physical
B Chemical
C Both A and B
D Neither A nor B
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
Thermal conductivity of a conducting solid material depends upon its
A Temperature
B Porosity
C Both A & B
D Neither A nor B
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the
A Magnitude of the forces on journal
B Angular velocity of journal
C Clearance between journal and bearing
D Radius of journal
The specific cutting energy used for establishing the machinability of the metal depends upon its
A coefficient of friction
B micro-structure
C work hardening characteristics
D all of the mentioned
Simple diffusion and facilitated diffusion share the following characteristics
A Do not require ATP
B Saturation kinetics
C Transport solute along concentration gradient
D Can be blocked by specific inhibitors
E Require transport protein
Ordinary diffusion process is also called __________ diffusion.
A Pressure
B Thermal
C Concentration
D Forced

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