Some solute particles in a solution collide with the solid solute particles and get separated out of the solution. This process is known as _____.
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A.
association
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B.
dissociation
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C.
dissolution
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D.
crystallisation
Correct Answer:
D. crystallisation
Explanation:
When some solute particles in a solution collide with solid solute particles and separate from the liquid phase, the process is known as crystallisation. This occurs when a solution becomes supersaturated or the solubility decreases, causing the dissolved substance to transition back into a solid crystalline form. While dissolution involves the solute dissolving into the solvent, crystallisation is the opposite effect where the solute precipitates out of the solution. Since the particles are gathering to reform a solid structure, "crystallisation" is the correct term for this phenomenon.
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