LABORATORY REVIEW
DIFFUSION AND OSMOSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In your 1st experiment, what moved from the beaker into the bag
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glucose
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iodine
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starch
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Benedict’s solution
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Explanation:
Detailed explanation-1: -The starch moved into the bag because it has a smaller molecular size than the iodine. B.
Detailed explanation-2: -Yes, the iodine moved into the bag, because the starch in the bag turned a purple color and the iodine is purple.
Detailed explanation-3: -1. Based on your observations, which substance moved, the iodine or the starch? The iodine moved from the beaker into the plastic in which the starch was in. 2.
Detailed explanation-4: -The plastic bag is permeable to iodine. You can tell because the starch turned dark purple, showing the iodine moved through the plastic to react with the starch. 7.)
There is 1 question to complete.