When sugar is dissolved in water, it disappears because the sugar particles _________ .

settle down at bottom

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are constantly moving

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get into intermolecular spaces

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are too small to be seen

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Solution

The correct option is C get into intermolecular spaces
Being a solid, a sugar cube’s shape and appearance are attributed to strong intermolecular attractive forces. However, when the cube comes in contact with water, these forces meddle with the strong intermolecular attractions in water. As a result, the water molecules surround the tiny sugar cubes, knock them free from the attractive forces of the surrounding molecules and pull them into the solution.

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