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9. TRY THIS ACTIVITY TO ANSWER - Get a glass and fill it half full with water,very carefully add 1 drop of food colour. Make sure you do not disturb the glass or move it. Leave the glass for 1 hour.
a) What has happened to the colour of the water?
Now leave the same glass for 1 day.
b) What has happened to the colour of the water now? Explain what you think has happened to the food colouring particles now.
Use the words particles and diffusion in your answer.
Particles can travel faster through a gas than they can through a liquid. c) Why do you think this happens?
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Diffusion will take place in water. Diffusion of particles in water.
Explanation:
a. The color of whole glass of water will start changing. The food color will start mixing in water.
b. After 1 day , the color of the water will change and the whole glass of water will be colorful. The food coloring particles moved from an area of its high concentration to an area of its low concentration.
The particles can move faster in gases as compared to liquid because the the resistance there is less as compared to liquid. The particles of gases are far from each other as compared to liquids.
Learn more about diffusion:
https://brainly.in/question/5115442
https://brainly.in/question/8269044
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