" Q 6.Cottrell precipitator is used to "^(*)

How cottrell smoke precipitator is used to purify smoke from colloidal particles?

Cottrell precipitator is a device to coagulate the

The basic principle of Cottrell 's precipitator is

Why Cottrell's smoke precipitator is fitted at the mouth of chimney used in factories ?

Cottrell precipitator is used to (a) precipitate mud from muddy water. (b) precipitate carbon particles from smoke. (c) purify the ordinary drinking water. (d) precipitate salts in qualitative analysis.

Give reasons for the following : (i) Peptazing agent is added to convert a precipitate into a colloidal solution. (ii) Colloidal gold is used for intramuscular injection. (iii) Cottrell's smoke precipitator is fitted at the mouth of a chimeny used in factories.