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Which of the following is a colloidal solution?
- a)Starch solution
- b)Copper sulphate solution
- c)Chalk powder in water
- d)Kerosene oil and water
Correct answer is option 'A'. Can you explain this answer?
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Which of the following is a colloidal solution?a)Starch solutionb)Copp...
A mixture of water and starch is colloidal because it forms a shell of firmly bound molecules of water that stops the starch particle from aggregating with the molecules of water when they collide.
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Which of the following is a colloidal solution?a)Starch solutionb)Copp...
Colloidal Solution: Starch Solution
A colloidal solution is a type of heterogeneous mixture in which the particles of the dispersed phase are intermediate in size between those of a true solution and a suspension. Colloidal solutions exhibit the Tyndall effect, which means that the dispersed particles scatter light, making the beam visible. Starch solution is a colloidal solution because it contains insoluble particles of starch that are dispersed in water and are intermediate in size between those of a true solution and a suspension.
Starch Solution
- Starch is a complex carbohydrate that is made up of glucose molecules.
- When starch is mixed with water, it forms a colloidal solution because the starch particles are intermediate in size between those of a true solution and a suspension.
- The insoluble particles of starch are dispersed in water and do not settle down.
- The starch particles scatter light, making the beam visible, which is a characteristic of the colloidal solution.
- Starch solution is commonly used as a thickening agent in various food products.
Other Options
- Copper sulphate solution is a true solution because the copper sulphate particles are dissolved in water and are not visible.
- Chalk powder in water is a suspension because the particles of chalk are visible and settle down over time.
- Kerosene oil and water is an emulsion because the oil droplets are dispersed in water and do not dissolve in it.
A colloidal solution is a type of heterogeneous mixture in which the particles of the dispersed phase are intermediate in size between those of a true solution and a suspension. Colloidal solutions exhibit the Tyndall effect, which means that the dispersed particles scatter light, making the beam visible. Starch solution is a colloidal solution because it contains insoluble particles of starch that are dispersed in water and are intermediate in size between those of a true solution and a suspension.
Starch Solution
- Starch is a complex carbohydrate that is made up of glucose molecules.
- When starch is mixed with water, it forms a colloidal solution because the starch particles are intermediate in size between those of a true solution and a suspension.
- The insoluble particles of starch are dispersed in water and do not settle down.
- The starch particles scatter light, making the beam visible, which is a characteristic of the colloidal solution.
- Starch solution is commonly used as a thickening agent in various food products.
Other Options
- Copper sulphate solution is a true solution because the copper sulphate particles are dissolved in water and are not visible.
- Chalk powder in water is a suspension because the particles of chalk are visible and settle down over time.
- Kerosene oil and water is an emulsion because the oil droplets are dispersed in water and do not dissolve in it.
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Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer? for Class 9 2026 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer?.
Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer? for Class 9 2026 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a colloidal solution?a)Starch solutionb)Copper sulphate solutionc)Chalk powder in waterd)Kerosene oil and waterCorrect answer is option 'A'. Can you explain this answer?.
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