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)

Subtopic:  Emulsions |
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Match 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. FeCl+ 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

Subtopic:  Emulsions |
To view explanation, please take trial in the course below.
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Match 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
Subtopic:  Colloidal Solution | Emulsions |
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Match 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
Subtopic:  Emulsions |
To view explanation, please take trial in the course below.
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To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology