MCQ
Pick one material from the following which is completely soluble in water.
- AChalk powder.
- BTea leaves.
- ✓Glucose.
- DSaw dust.
Glucose is completely soluble in water because its particles are so small and spread uniformly in water that we cannot see them. But chalk powder, tea leaves and sawdust are insoluble in water and settle down at the bottom of the container.
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Cream can be separated from milk by churning.
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A mixture of mud and water can be separated by loading, sedimentation and decantation.
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Grains can be separated from stalks by threshing.
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