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प्रश्न
Which of the following will show the “Tyndall effect”?
- Salt solution
- Milk
- Copper sulphate solution
- Starch solution
उत्तर
(b) Milk and (d) starch solutions show the Tyndall effect because they are colloidal solutions, whereas (a) salt solution and (c) copper sulphate solution are true solutions. Their particle size is too small to scatter light, so they do not show the Tyndall effect.
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संबंधित प्रश्न
Explain the following giving an example.
Colloid
State whether the following statement is true or false :
Milk is a pure substance.
Name one metal and one non-metal which exist as liquids at room temperature.
Give two examples.
Colloid
Write scientific reason.
Constituent substances of a colloid cannot be separated by ordinary filtration.
Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do.
The intensity of scattered light depends on the type of colloidal solution and the size of the colloidal particles.
Classify colloids based on the physical state of the dispersed phase and the dispersion medium.
A colloidal solution is a ______.
What are Colloidal Solutions?
