For a reacation, X → Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is 2 1 3 TRUE ANSWER : ? YOUR ANSWER : ?
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same. Humidity None of these Molecular weight Compressibility TRUE ANSWER : ? YOUR ANSWER : ?
The chemical nature of an element is independent of Its atomic number None of these The number of neutrons present in it The number of protons or electrons present in it TRUE ANSWER : ? YOUR ANSWER : ?
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Increase in molecular attraction Increase in average molecular speed Decrease in mean free path Increased collision rate among molecules TRUE ANSWER : ? YOUR ANSWER : ?
For estimation of heat capacity of a solid compound, one can use Clayperon's equation Kopp's rule Trouton's rule Gibb's equation TRUE ANSWER : ? YOUR ANSWER : ?
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy TRUE ANSWER : ? YOUR ANSWER : ?
Viscosity of 1 centipoise is equal to 1 centis-toke in case of Carbon tetrachloride Mercury None of these Water TRUE ANSWER : ? YOUR ANSWER : ?
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 Neither A nor B Both A & B Solute concentration Temperature TRUE ANSWER : ? YOUR ANSWER : ?
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1020 1019 1023 1026 TRUE ANSWER : ? YOUR ANSWER : ?
Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are M/s Cm/s Mole/m².s.Pa Kmole/m².s.Pa TRUE ANSWER : ? YOUR ANSWER : ?