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Which mechanism causes increased viscosity in hydrogenated vegetable oil during processing?

A)Van der Waals force reduction
B)Increased carbon double-bond formation
C)Hydrogen bond crosslinking
D)Rancidity-induced chain scission

💡 Explanation

The viscosity increases due to hydrogenation producing saturated fats; therefore, hydrogen bond crosslinking between the saturated fatty acid chains grows, rather than decreased intermolecular forces or chain effects; so we can reject options A and D because this increase is targeted, but only up to gel point.

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