Which of the following forms a collodial solution in water?
A
Salt
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B
Glucose
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C
Starch
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D
Barium nitrate
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Solution
The correct option is B Starch A solution in which a material is evenly suspended in liquid is called Colloidal solution. Salt and Barium Nitrate forms a true solution in water. All colloids show Tyndall effect which is not exhibited by Glucose.
But starch in water follow all the colloidal properties and starch in water is a colloid.