BI-1713
Diffusion
Biology · Secondary 4 · Hard · Diffusion
In an experiment, starch solution is placed in a visking tubing bag and immersed in a beaker of distilled water.
Which statement correctly describes what happens to water molecules, in terms of diffusion?
Which statement correctly describes what happens to water molecules, in terms of diffusion?
- Water diffuses from the beaker into the bag, from higher to lower water concentration
- Water diffuses from the bag into the beaker, from lower to higher water concentration
- Water diffuses equally in both directions with no net movement
- Water does not diffuse because only starch can move
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