Which of the following are correct statement

1.	Which of the following are correct statement
Answer» Hardy-Schulze RULE is related to coagulation Brownian movement and Tyndall effect are SHOWN by colloids When liquid is dispersed in liquid, it is called gel. Gold number is a measure of protective POWER of lyophobic colloid SOLUTION :(a) is correct, it is related to number of ions interacting with COLLOIDAL particles. (b) Brownian movement is shown by colloidal solution due to collision between colloidal particles themselves and with that of particles of dispersionmedium. thyndall effect is due to scattering of lightt by colloidal particle. (d) is correct because, higher the gold number, less will be protective power.

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