1.

Consider the following statements and arrange in the order of true/false as given in the codes . S_1:Colour of a colloidal solution depends upon the size and shape of sol particles. S_2:Bromnian motion is due to continuous bombardment of sol particles by molecules of disperson medium. S_3:When negatively charged smoke comes in contact with positively charged clouds.rain fall takes place. S_4:For a positive sol, flocculation values are in the order. NaClgtK_2SO_4gtNa_3PO_4gtK_4[Fe(CN)_6]

Answer»

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Solution :`S_1`:DIFFERENT sized colloidal particles have different colour.
`S_2`:Brownian movement is due to collision between D.P. particles and D.M. particles
`S_3`:It is because of coagulation of mist particle in air
`S_4`:FLOCCULATION VALUE `prop 1/("Charge on effective ion")`


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