Cottrell precipitator is a device to coagulate the

Cottrell precipitator is used

Cottrell precipitator is used

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.

Cottrell precipitator acts on which of the following principles ?