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Q.

Is it true that the sugar in powdered form dissolves faster as compared to the whole sugar cube?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
The solubility of a substance depends on the surface area in contact with the solvent. For example, sugar in powdered form dissolves faster than whole sugar because powdered sugar has more surface area than a sugar cube. The greater the surface area faster the sugar will dissolve.
Hence sugar in powdered form dissolves faster than a whole sugar cube.
 
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