Question

activity to show that diffusion in liquids increases with rise in temperature

Answer 1

Activity:
Take two beakers A and B fill them with water. Add a drop of blue ink carefully to the water in beaker A. Similarly, add a drop of honey to the water in beaker B. You will observe that ink in beaker A spreads out immediately, while honey goes down, leaving behind a streak along the side of the beaker B. Further, colour of the ink spreads throughout the liquid within few minutes. On the other hand, honey requires much longer time to spread.

Conclusion:
Since the density of honey is greater than that of the ink, it diffuses into water at a slower rate than does the ink.

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Answer 2

take 1 glass of water fill the half of the glass with water and observe for 5 min after 5 min u will notice that some sugar get dissolved but many are still left now heat the glass for 5 min again this time u will notice all the sugar get dissolved