Chemistry
Which of the following is not soluble in water ?

Potassium sulphate
Sodium sulphate
Zinc sulphate
Lead Sulphate

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Peptization is a process of

Protection of colloidal solution
Purification of colloids
Precipitation of colloidal particles
Dispersing precipitates into colloidal solution

ANSWER DOWNLOAD EXAMIANS APP