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प्रश्न
Hair cream is ____________.
विकल्प
gel
emulsion
solid sol
sol
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उत्तर
Hair cream is emulsion.
Explanation:
Emulsion dispersed phase, Dispersion medium - liquid
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संबंधित प्रश्न
Assertion: Coagulation power of Al3+ is more than Na+.
Reason: greater the valency of the flocculating ion added, greater is its power to cause precipitation.
Which one of the is not a surfactant?
In an electrical field, the particles of a colloidal system move towards the cathode. The coagulation of the same sol is studied using
I. K2SO4
II. Na3PO4
III. K4[Fe(CN)6]
IV. NaCI
Their coagulating power should be
The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below
(I) (NaCl) = 52
(II) (BaCl2) = 0.69
(III) (MgSO4) = 0.22
The correct order of their coagulating power is:
Peptising agent is added to convert precipitate into colloidal solution. Explain with an example.
What is the difference between sol and gel?
Why are lyophillic colloidal sols are more stable than lyophobic colloidal sol?
Explain any one method for coagulation.
Which one of the is not a surfactant?
Which one of the is not a surfactant?
