Identify the correct statement (s) from the following a) Protective power of a lyophilic sol is more if its…
Identify the correct statement (s) from the following
a) Protective power of a lyophilic sol is more if its gold number is more
b) In the coagulation of negative sols, the coagulating power of cations follow the order $\mathrm{Na}^{+}>\mathrm{Ba}^{2+}>\mathrm{Al}^{3+}$
c) Cloud is a solid in gas type of colloid
d) Physical adsorption is non-specific and multilayered at high pressure.