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प्रश्न
Draw labelled diagram of Bredig’s arc method.
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उत्तर
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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 Hardy-Sulze rules.
Write a note on the Tyndall effect.
Explain Electrophoresis diagramatically.
Explain micelle formation in a soap solution.
Draw labelled diagram Tyndall effect.
Draw labelled diagram of Soap micelle.
Froth and whipped cream are examples of ____________.
Which one of the following methods is used to make platinum sol?
Mist is a colloidal solution of ____________.
In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.
Which of the following is an example of liquid-liquid system?
The precipitation power of an electrolyte increases with ______.
The order of coagulating power of following ions in the coagulation of a positive sol is:
i. \[\ce{PO^{3-}_4}\]
ii. \[\ce{SO^{2-}_4}\]
iii. \[\ce{[Fe(CN)6]^{4-}}\]
iv. \[\ce{NO^-_3}\]
Maximum coagulation power is in ____________.
Mixing of two oppositely charged sols leads to ____________.
Smoke is an example of ____________.
Froth is a colloidal solution of ____________.
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ solution?
A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as ______.
Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
What is collodion?
A colloid is formed by adding \[\ce{FeCl3}\] in excess of hot water. What will happen if excess sodium chloride is added to this colloid?
How does the precipitation of colloidal smoke take place in Cottrell precipitator?
Why does bleeding stop by rubbing moist alum?
The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following processes can explain this?
Which of the following is most powerful to coagulate the negative colloid?
Which of the following electrolytes will be most effective in coagulating negative sol?
