The process of coagulation can be reversed by:
Increasing the temperature of the colloid
Adding more electrolytes to the colloid
Reducing the concentration of the colloid
Adjusting the pH of the colloid
Coagulation can be reversed by adjusting the pH of the colloid back to its original value. This restores the charges on the colloidal particles, leading to the dispersion of the colloid again.
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle
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