Question

A,B and C are three test tubes in which chalk powder, salt and starch are kept . a student added water to these test tubes and mixed well. identify these as true solution , suspension and colloids . which of these shows tyndall effect

Answer 1

Clear solution shows complete dissolution
colloids shows partial dissolution
suspension shows precipitate formation

Answer 2

A: chalk powder in water suspension and leaves residue on filtration . The particles settle at bottom ( it will show Tyndall effect )

B: salt in water forms a true solution.(it will not show Tyndall effect )

C: starch in water ,forms colloidal solution as it is translucent . ( It will show Tyndall effect)

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