Fill In the Blanks
True Or FalseA.
Starch in water behaves as a macro molecular colloid.B.
Physical adsorption is a spontaneous process.C.
The amount of gas adsorbed on charcoal increases with increase in temperature and pressure both.D.
Inversion of cane sugar in the presence of dilute sulphuric acid is an example of homogeneous catalysis.E.
A catalyst can initiate the reaction.A.
The efficiency of protective colloid can be determined with the help of Hardy-Schulze rule.B.
Colloidal solutions show high value of osmotic pressure.C.
Low molecular mass impurities in a colloidal solution are removed by dialysis.D.
The phenomenon of adsorption had been used for creating partial vacuum.E.
Al2(SO4)3 is less effective than MgSO4 in coagulating As2S3 sol.A.
In physiosorption, adsorption decreases with increase in temperature.B.
Catalysts increase the activation energy needed for the reaction.C.
Particles in a colloidal sol are big enough to scatter light.D.
A colloidal sol of (AlOH)3 is more readily coagulated by 0.1 M Na,SO4 than by 0.1 M NaCl solution.E.
Adsorption can increase continuously on increasing the temperature.
Multiple Choice Questions
