Which of the following is the best protective colloid?
- AGelatin (Gold No. $= 0.005$)
- BGum arabic (Gold No. $= 0.15$)
- CEgg albumin (Gold No. $= 0.08$)
- DNone of these
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Similar Questions
Consider the following statements for a gold sol:
$(I)$ It is a macromolecular colloid.
$(II)$ It is a lyophobic sol.
$(III)$ It is a negatively charged sol.
$(IV)$ It is a multimolecular colloid.
$(V)$ It is an associated colloid.
The correct statements are:
$(I)$ It is a macromolecular colloid.
$(II)$ It is a lyophobic sol.
$(III)$ It is a negatively charged sol.
$(IV)$ It is a multimolecular colloid.
$(V)$ It is an associated colloid.
The correct statements are:
All colloidal dispersions have
MediumKCET 2012
View SolutionWhich of the following is most effective in coagulating a ferric hydroxide sol?
Easy
View SolutionMatch the items in List-$I$ with the items in List-$II$.
List-$I$ List-$II$ $A$. Negatively charged sol $I$. Emulsion $B$. Milk $II$. Kala-azar $C$. Gold number $III$. $FeCl_3$ solution is added to excess $NaOH$ solution $D$. Colloidal antimony $IV$. Protection of colloids
| List-$I$ | List-$II$ |
|---|---|
| $A$. Negatively charged sol | $I$. Emulsion |
| $B$. Milk | $II$. Kala-azar |
| $C$. Gold number | $III$. $FeCl_3$ solution is added to excess $NaOH$ solution |
| $D$. Colloidal antimony | $IV$. Protection of colloids |
Which of the following is not a negatively charged sol?
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