Q. No.| 1. | foam | 2. | sol |
| 3. | gel | 4. | solid sol |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Methylene blue sol
2. Congo red sol
3. Siver sol
4. \(Sb_2S_3 ~sol\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Statement I: | In the coagulation of a negative sol, the flocculating power of the three given ions is in the order Al3+ > Ba2+ > Na+ |
| Statement II: | In the coagulation of a positive sol, the flocculating power of the three given salts is in the order NaCl > Na2SO4 > Na3PO4 |
| 1. | I is incorrect but II is correct. |
| 2. | Both I and II are correct. |
| 3. | Both I and II are incorrect. |
| 4. | I is correct but II is incorrect. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch List-I with List-II:
| List-I (Example of Colloidal systems) |
List-II (Nature of dispersion medium and dispersed phase) |
| (a) Insecticide spray | (i) Dispersion medium - liquid Dispersed phase - solid |
| (b) Whipped cream | (ii) Dispersion medium - gas Dispersed phase - liquid |
| (c) Paint | (iii) Dispersion medium - liquid Dispersed phase - liquid |
| (d) Hair cream | (iv) Dispersion medium - liquid Dispersed phase -gas |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (ii) | (iii) | (i) |
| 3. | (ii) | (iv) | (iii) | (i) |
| 4. | (iv) | (ii) | (i) | (iii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe right option for the statement "Tyndall effect is exhibited by", is:
1. Starch solution
2. Urea solution
3. NaCl solution
4. Glucose solution
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMeasuring 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 mixture of the solutions will lead to the formation of a negatively charged colloidal [AgI]I- sol?
1. 50 mL of 0.1 M AgNO3 + 50 mL of 0.1 M KI
2. 50 mL of 1 M AgNO3 + 50 mL of 0.5 M KI
3. 50 mL of 1 M AgNO3 + 50 mL of 2 M KI
4. 50 mL of 2 M AgNO3 + 50 mL of 1.5 M KI
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. The magnitude of the charge on the ion alone
2. Size of the ion alone
3. Both magnitude and sign of the charge on the ion.
4. The sign of the charge on the ion alone.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below
I. (NaCl) = 52, II. (BeCl2) = 0.69, III. (MgSO4) = 0.22
What is the correct order of their coagulating power?
1. I > II > III
2. II > I >III
3. III > II > I
4. III > I >II
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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