Question

Which of the following mixtures/solutions show tyndall effect?

A) magnesium hydroxide solution.
B) sugar solution and chalk powder.
C) flour in water.
D) All of these.

Answer 1

Tyndall effect

This is light scattering by particles in a colloid or in a very fine suspension.

It is applicable to colloidal mixtures or fine suspensions.

From the given choices:

1)  Magnesium hydroxide is an homogenous mixture hence Tyndall effect does not occur.

2) Sugar solution is a homogenous mixture hence Tyndall effect does not occur.

3) Flour in water is a suspension and hence Tyndall effect occurs.

From above analysis, the answer is :

Flour in water

Answer 2

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flour in water is the answer

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