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प्रश्न
Why does bleeding stop by rubbing moist alum?
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उत्तर
Blood is a colloidal solution when we rub moist alum on that part it causes coagulation which stops bleeding.
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संबंधित प्रश्न
Comment on the statement that “colloid is not a substance but a state of substance”.
Choose the correct option.
The size of colloidal particles lies between ______.
Write a note on the Tyndall effect.
Write a note on Types of emulsion.
Explain Electrophoresis diagramatically.
Draw labelled diagram of Bredig’s arc method.
Which one of the following methods is used to make platinum sol?
Which of the following statements is CORRECT?
Tyndall effect is observed due to ____________.
Which of the following can form colloidal sol with water?
In which of the following sols there is low affinity between dispersed phase and dispersion medium?
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ solution?
What happens when electric field is applied to colloidal solution?
Which of the following substances will precipitate the negatively charge emulsion
Identify the colloidal molecule containing hydrophilic head and hydrophobic tail within it.
Identify positively charged sol from following.
