Zeolites may serve as effective examples of these substances due to their high surface area. For 10 points each:
[10e] Name these substances that accelerate reaction rates without being consumed.
ANSWER: catalysts
[10m] This term refers to chemical deactivation of a catalyst that weakens its performance such as when leaded fuel would damage catalytic converters.
ANSWER: catalyst poisoning
[10h] The poisoning of this palladium on calcium carbonate catalyst allows it to selectively reduce alkynes to alkenes.
ANSWER: Lindlar catalyst
<AW, Chemistry>