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प्रश्न
Which one of the following is correctly matched?
विकल्प
Emulsion - Smoke
Gel - Butter
Foam - Mist
Whipped cream - Sol
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उत्तर
Gel - Butter
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संबंधित प्रश्न
Fog is colloidal solution of ____________.
Which one of the is not a surfactant?
The phenomenon observed when a beam of light is passed through a colloidal solution is ____________.
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:
On which of the following properties does the coagulating power of an ion depend?
Why are lyophillic colloidal sols are more stable than lyophobic colloidal sol?
Why does the bleeding stop by rubbing moist alum?
Comment on the statement:
Colloid is not a substance but it is a state of substance.
Explain any one method for coagulation.
