Class 6 Exam > Class 6 Questions > Winnowing is used only for:a)Homogeneous soli...
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Winnowing is used only for:
- a)Homogeneous solid-liquid mixture
- b)Heterogeneous solid-solid mixture
- c)Homogeneous solid-solid mixture
- d)Heterogeneous solid-liquid mixture
Correct answer is option 'B'. Can you explain this answer?
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Winnowing is used only for:a)Homogeneous solid-liquid mixtureb)Heterog...
Understanding Winnowing
Winnowing is a method primarily utilized in the separation of materials, particularly effective for certain types of mixtures.
What is Winnowing?
- Winnowing involves the process of separating lighter particles from heavier ones using air or wind.
- This technique is commonly used in agriculture to separate chaff from grain.
Why is Option B Correct?
- Heterogeneous Solid-Solid Mixture: This type of mixture contains different solid particles that can vary in size and weight.
- In winnowing, the lighter particles (like chaff) are blown away, while the heavier solid particles (like grains) remain.
- For example, when separating grain from its husks, the air helps lift the lighter husks away from the heavier grains, effectively achieving separation.
Why Other Options are Incorrect?
- Homogeneous Solid-Liquid Mixture: This mixture is uniform, making winnowing ineffective. Settling or filtration is more appropriate here.
- Homogeneous Solid-Solid Mixture: Since the components are similar in nature, winnowing wouldn’t work as there is no significant difference in weight or size.
- Heterogeneous Solid-Liquid Mixture: This type involves solids in a liquid where methods like filtration or sedimentation are more suitable, rather than winnowing.
Conclusion
Winnowing is specifically designed for separating components in a heterogeneous solid-solid mixture, emphasizing the importance of particle size and weight in the process.
Winnowing is a method primarily utilized in the separation of materials, particularly effective for certain types of mixtures.
What is Winnowing?
- Winnowing involves the process of separating lighter particles from heavier ones using air or wind.
- This technique is commonly used in agriculture to separate chaff from grain.
Why is Option B Correct?
- Heterogeneous Solid-Solid Mixture: This type of mixture contains different solid particles that can vary in size and weight.
- In winnowing, the lighter particles (like chaff) are blown away, while the heavier solid particles (like grains) remain.
- For example, when separating grain from its husks, the air helps lift the lighter husks away from the heavier grains, effectively achieving separation.
Why Other Options are Incorrect?
- Homogeneous Solid-Liquid Mixture: This mixture is uniform, making winnowing ineffective. Settling or filtration is more appropriate here.
- Homogeneous Solid-Solid Mixture: Since the components are similar in nature, winnowing wouldn’t work as there is no significant difference in weight or size.
- Heterogeneous Solid-Liquid Mixture: This type involves solids in a liquid where methods like filtration or sedimentation are more suitable, rather than winnowing.
Conclusion
Winnowing is specifically designed for separating components in a heterogeneous solid-solid mixture, emphasizing the importance of particle size and weight in the process.
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Winnowing is used only for:a)Homogeneous solid-liquid mixtureb)Heterogeneous solid-solid mixturec)Homogeneous solid-solid mixtured)Heterogeneous solid-liquid mixtureCorrect answer is option 'B'. Can you explain this answer?
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