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Two beakers, A and B, contain plain water and a concentrated sugar solution, respectively. An equal number of dried raisins are placed in them for a few hours and then removed.

(i) Explain the reason for the difference in the physical appearance of raisins taken out of the two beakers.

A. Raisins absorbed water from both beakers.
B. Raisins in beaker A absorbed more water.
C. Raisins in beaker B absorbed more water.
D. Raisins in both beakers absorbed the same amount of water.

(ii) Based on the above observation, categorize the two solutions as hypotonic and hypertonic.

A. Beaker A is hypotonic, and beaker B is hypertonic.
B. Beaker A is hypertonic, and beaker B is hypotonic.
C. Both beakers are hypertonic.
D. Both beakers are hypotonic.

Answer :

Final answer:

The physical appearance of raisins taken out of two beakers can differ due to the water absorption process. Beaker A is hypotonic, and beaker B is hypertonic.

Explanation:

(i) The reason for the difference in the physical appearance of raisins taken out of the two beakers is that the raisins absorb water from their surroundings. As beaker A contains plain water, the raisins in beaker A would absorb water from it, resulting in a plump and hydrated appearance. On the other hand, beaker B contains concentrated sugar solution, making it a hypertonic solution. The raisins in beaker B would lose water to the surrounding solution, becoming dehydrated and shriveled.

(ii) Based on the above observation, beaker A can be categorized as hypotonic as the raisins absorbed water from it, while beaker B can be categorized as hypertonic as the raisins lost water to it.

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