Medium
Which of the following is an incorrect statement?
- AAlum is used to precipitate the impurities present in water.
- BFlocculation value is inversely proportional to coagulation power.
- CColloidal silica is a protective colloid.
- DGelatin added in ice cream acts as an emulsifying agent.
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The function of $Fe(OH)_{3}$ in the contact process is
Gold number is a measure of the
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Medium
View SolutionHow are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
Medium
View SolutionConsider the following statements:
Statement-$I$ : Gold sol is prepared by Bredig's arc method.
Statement-$II$ : Bredig's arc method involves both dispersion and condensation.
Statement-$I$ : Gold sol is prepared by Bredig's arc method.
Statement-$II$ : Bredig's arc method involves both dispersion and condensation.
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