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प्रश्न
State whether the following statement is true or false :
Milk is a pure substance.
पर्याय
True
False
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उत्तर
False, Milk is not a pure substance. It is a heterogeneous mixture because of its colloidal nature.
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संबंधित प्रश्न
Explain the following giving an example.
Colloid
Which of the following will show the “Tyndall effect”?
- Salt solution
- Milk
- Copper sulphate solution
- Starch solution
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 Tyndall effect and Brownian movement with suitable diagram.
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.
A colloidal solution is a ______.
What are colloidal solutions?
