An important parameter that determines the functioning of nano material is surface area to volume ratio. Because of which reason small granules of sugar dilute faster than big piece of sugar cube?
A
SA/V ratio of sugar granules is smaller than sugar cube.
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B
Can not say anything without knowing temperature of solvent.
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C
SA/V ratio is same for sugar and sugar cube.
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D
SA/V ratio of sugar granules is greater than sugar cube.
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Solution
The correct option is C SA/V ratio of sugar granules is greater than sugar cube. SA/V ratio of sugar granules is greater than sugar cube so in Sugar granules, a greater portion of sugar atoms will be on surface so contact with water will be more as compared to sugar cube and it will dissolve faster than big piece of sugar cube.