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← ScienceWhich consequence results when rapid hydration occurs in plaster?
A)Crystal lattice distortion and cracking✓
B)Increased material toughness
C)Enhanced compressive strength
D)Reduced setting expansion
💡 Explanation
Distortion happens because **ionic bond** formation during gypsum hydration causes internal stresses that introduce microcracks. Therefore cracking occurs, rather than enhanced strength, because the rapid hydration disrupts the uniform crystal growth process.
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