Which of the following statements are not true?
- ABlood is positively charged sol
- BSoap solution contains ionic micelles as the colloidal particles
- CBlood is purified by the process of dialysis
- DChemical adsorption first increases then decreases with increase in temperature
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Similar Questions
Match the following:
List-$I$ List-$II$ $(a)$ Starch $(i)$ Shape selective catalyst $(b)$ Cane sugar $(c)$ Zeolite $(iii)$ Diastase $(d)$ Maltose to glucose $(iv)$ Invertase $(v)$ Zymase
The correct answer is:
| List-$I$ | List-$II$ | |
|---|---|---|
| $(a)$ Starch | $(i)$ Shape selective catalyst | |
| $(b)$ Cane sugar | $(c)$ Zeolite | $(iii)$ Diastase |
| $(d)$ Maltose to glucose | $(iv)$ Invertase | |
| $(v)$ Zymase |
The correct answer is:
Setting of cement is an
Medium
View Solution$0.27 \ g$ of a long chain fatty acid was dissolved in $100 \ cm^3$ of hexane. $10 \ mL$ of this solution was added dropwise to the surface of water in a round watch glass. Hexane evaporates and a monolayer is formed. The distance from edge to centre of the watch glass is $10 \ cm$. What is the height of the monolayer? [Density of fatty acid $= 0.9 \ g \ cm^{-3}, \pi = 3$]
DifficultJEE MAIN 2019
View SolutionPhotographic films and plates have an essential ingredient of
Sodium thiosulphate is used in photography to :-
Medium
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