The correct statements among the following is -
a. Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.
b. The presence of equal and similar charges on colloidal particles provides stability to the colloids.
c. Any amount of dispersed liquid can be added to emulsion without destabilising it.
d. Brownian movement stabilises sols.
1. (a, b)
2. (b, c)
3. (c, d)
4. (b, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the items given in Column I and Column II.
Column I | Column II |
A. Protective colloid | 1. FeCl3 + NaOH |
B. Liquid-liquid colloid | 2. Lyophilic colloids |
C. Positively charged colloid | 3. Emulsion |
D. Negatively charged colloid | 4. FeCl3 + hot water |
Codes
A | B | C | D | |
1. | 3 | 2 | 4 | 1 |
2. | 1 | 4 | 3 | 2 |
3. | 2 | 3 | 4 | 1 |
4. | 4 | 1 | 3 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the items in Column I and Column II.
Column I | Column II |
A. Dialysis | 1. Cleansing action of soap |
B. Peptization | 2. Coagulation |
C. Emulsification | 3. Colloidal sol formation |
D. Electrophoresis | 4. Purification |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the types of colloidal systems given in Column I with the names given in Column II.
Column I | Column II |
A. Solid in Liquid | 1. Foam |
B. Liquid in solid | 2. Sol |
C. Liquid in Liquid | 3. Gel |
D. Gas in Liquid | 4. Emulsion |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology