Incorrect statement for Tyndall effect is ..... .

  • A
    The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
  • B
    The diameter of the dispersed particles is much smaller than the wavelength of the light used.
  • C
    During projection of movies in the cinemas hall,Tyndall effect is noticed.
  • D
    It is used to distinguish a true solution from a colloidal solution.

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Similar Questions

Given below are two statements:
Statement $I:$ In the coagulation of a negative sol,the flocculating power of the three given ions is in the order - $Al^{3+} > Ba^{2+} > Na^{+}$
Statement $II:$ In the coagulation of a positive sol,the flocculating power of the three given salts is in the order - $NaCl > Na_{2}SO_{4} > Na_{3}PO_{4}$
In the light of the above statements,choose the most appropriate answer from the options given below:

The stability of lyophilic colloidal sol is due to

The charge on $As_2S_3$ sol is due to the adsorbed

Match List $I$ with List $II$:
List $I$List $II$
$(A)$. Brownian Motion$(I)$. Removal of impurities from the colloidal sols using a semipermeable membrane.
$(B)$. Tyndall Effect$(II)$. Movement of colloidal particles under the influence of an electric field.
$(C)$. Electrophoresis$(III)$. Random movement of colloidal particles due to kinetic energy.
$(D)$. Dialysis$(IV)$. Scattering of light by colloidal particles

Which of the following is not involved in coagulation?

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