Shape-selective catalyst zeolite has a structure like ..........

Which of the following statements is true for a catalyst?

Below,some catalysts and corresponding processes/reactions are matched. The mismatch is

Which is True $(T)$ and False $(F)$ of the following statements?
$1.$ Catalyst forms an activated complex with partial bonds.
$2.$ Catalyst alters the enthalpy change of the reaction.
$3.$ Catalyst remains the same at the initial and end of the reaction.

Potassium permanganate on heating gives potassium manganate,oxygen and $X$. For which of the following reactions,$X$ is used as a catalyst?

The term $Platforming$ is: