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Which outcome results when increased temperature affects catalyst supports?

A)Agglomeration decreases surface area
B)Active sites maintain distribution
C)Crystallinity becomes fully amorphous
D)Supports show anisotropic thermal expansion

💡 Explanation

Agglomeration increases due to Ostwald ripening overcoming interfacial energy barriers, therefore decreasing overall catalyst surface area, because atomic mobility increases. The correct support structure diminishes, rather than retaining its optimal catalytic effects.

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