How does the precipitation of colloidal smoke taken place in Cottrell precipitator?

Mitosis taken place in

Which on of the following processes are applied in Cottrell precipitator-

Why does the white precipitate of silver halide become coloured in the presence of dye eosin

How would you express the protective power of a colloid?

Name the colloidal system for Smoke

A and B are functional isomers of compound C_(3)H_(6)O . On heating with NaOH and I_(2) isomer A froms yellow percipitate of iodoform whereas isomer B does not form any precipitate. Write the formulae of A and B.

Why colloidal system in gas in gas does not exist ?

Aqueous solution of sodium hydroxide is added drop wise to solution of gallium chloride in water. A precipitate is initially formed. The precipitate dissolves on furthur addition of NaOH solution. Explain the observation using suitable chemical reactions.

1-chloro-4- fluorobutane is allowed to react with one equivalent of NaI in acetone whereby a precipitate is formed. The precipitate formed is

How much Na_(2)SO_(4) will be required for complete precipitation of 7.336g BaCl_(2) dissolved in water? What will be the mass of BaSO_(4) precipitated? [Ba=137.36]