Which of the following are not completely surface phenomena?

Identify the correct statements from the following.
$(i)$ In the oxidation of oxalic acid with $KMnO_4$ in acid medium,$Mn^{2+}$ acts as an autocatalyst.
$(ii)$ $CdS$ colloidal solution can be precipitated by the addition of $Cl^{-}$ ions.
$(iii)$ The gold numbers of three protective colloids $(A, B, C)$ are $0.03$,$25$,and $0.25$ respectively. Their protective power follows the order $A > C > B$.
$(iv)$ Physisorption is an irreversible process.

Match the following:

List-$I$	List-$II$
$(a)$ Starch	$(i)$ Shape selective catalyst
$(b)$ Cane sugar	$(c)$ Zeolite	$(iii)$ Diastase
$(d)$ Maltose to glucose	$(iv)$ Invertase
	$(v)$ Zymase

The correct answer is:

Which of the following statements is/are not correct?
$(A)$ Adsorption is accompanied by decrease in enthalpy as well as decrease in entropy of the system.
$(B)$ Gases,which can react strongly with adsorbent show chemisorption.
$(C)$ When the value of the slope of the Freundlich isotherm is non-zero,adsorption is independent of pressure.
$(D)$ Gold number of potato starch is $0.15$.

The lubricating action of an oil is more if it possesses:

Which of the following statements are not true?