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Q. No.
Measuring Zeta potential is useful in determining which of the following property of a colloidal solution:
1. Solubility.
2. Stability of the colloidal particles.
3. Size of the colloidal particles.
4. Viscosity.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn which of the sols, the colloidal particles are with a negative charge?
1. TiO2
2. Hemoglobin
3. Starch
4. Hydrated Al2O3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following represents a Freundlich adsorption isotherm?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following forms micelles in aqueous solution above certain concentration -
1. Glucose
2. Urea
3. Dodecyl trimethyl ammonium chloride
4. Pyridinium chloride
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAt the critical micelle concentration (CMC) the surfactant molecules :
1. Associate
2. Dissociate
3. Decompose
4. Become completely soluble
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAccording to hardy Schulze law the order of coagulation power of cations will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following method is commonly used method for destruction of colloid :
1. Dialysis
2. Condensation
3. Filteration by animal membrane
4. By adding electrolyte
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPosition of the nonpolar & polar part in Micelle is:
| 1. | Polar at the outer surface but non-polar at the inner surface |
| 2. | Polar at inner surface but non-polar at the outer surface |
| 3. | Distributed all over the surface |
| 4. | Present on the surface only |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is correct : -
1. Cyclo heptane is an aromatic compound
2. Diastase is an enzyme
3. Acetophenone is an ether
4. All the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is not correct regarding the adsorption of a gas on the surface of solid: -
| 1. | On increasing temperature adsorption increase continuously |
| 2. | Enthalpy & entropy change is negative |
| 3. | Adsorption is more for some specific substance |
| 4. | Reversible |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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