A student prepared three solution- a solution of alum, soil and milk in water. Can you distinguish between the three on the basis of transparency and stability? Explain.
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Alum is a homogeneous solution.
Milk is a colloidal solution.
Soil in water is a suspension.
Transparency: Alum is transparent.
Milk is translucent.
Soil in water is opaque
Stability: Alum is perfectly stable.
Milk is more stable than soil in water but less stable than alum.
Soil in water is not stable.
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