<p>A catalyst for clarifying an exhaust gas which comprises a zeolite and a perovskite type composite oxide containing palladium arranged at the B site thereof; and the above catalyst which further comprises a zirconia based composite oxide or a platinum group noble metal except palladium. The above catalyst for clarifying an exhaust gas is still more excellent in the performance capability for the clarification of HC in a cold exhaust gas generated at the start of an automobile engine, and is capable of maintaining high clarification activity for HC over a long period of time.</p>
