Question
Which of the following is not a colloidal system in common life?
This question was previously asked in
HTET 2025 Level 1 PRT Question Paper (5-Jul-2026)
The correct answer is
Sugar solution
Milk (fat globules dispersed in water), fog (water droplets dispersed in air) and smoke (solid particles dispersed in air) are all common colloidal systems. A sugar solution is a true homogeneous solution in which sugar molecules dissolve completely at the molecular level, so it is not a colloid.
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