What can we conclude from the activity observing diffusion of liquid
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Material req - water, sugar, 2 glass tumbler, a spoon.
process - Add water in the glass tumbler. Then add a spoonful of sugar in it and stir. Keep on adding sugar in the water and keep stiring. At one point you will see that now sugar is taking time to dissolve. And at last it doesn't dissolve any more. Now its density has increased. Now take water in another tumbler and add the previous solution.
observation - U will see that the rate of diffusion has decreased a lot
conclusion - rate of diffusion decreases as density increases.
process - Add water in the glass tumbler. Then add a spoonful of sugar in it and stir. Keep on adding sugar in the water and keep stiring. At one point you will see that now sugar is taking time to dissolve. And at last it doesn't dissolve any more. Now its density has increased. Now take water in another tumbler and add the previous solution.
observation - U will see that the rate of diffusion has decreased a lot
conclusion - rate of diffusion decreases as density increases.
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