Question
Four cylinders of potato were carefully dried on blotting paper and weighed. Each piece weighed 3g. One was placed in each tube as shown in the drawing below.
a) After 48 hours, which potato would be heaviest? Explain
b) Name the substance whose movement was responsible for the weight changes in the potato cylinders
c) Name the process which was responsible for this movement in tubes B, C and D.
a) After 48 hours, which potato would be heaviest? Explain
b) Name the substance whose movement was responsible for the weight changes in the potato cylinders
c) Name the process which was responsible for this movement in tubes B, C and D.
Answer
a) B
b) Water molecules
c) Osmosis
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