Detergent action of synthetic detergents is due to their:

1. interfacial area

2. high molar mass

3. ionization

4. emulsifying properties

Subtopic:  Emulsions |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What does the name "aquadag" refer to?

1. Cu in water sol.

2. Pt in water sol.

3. Graphite in water sol.

4. None of the above.

Subtopic:  Colloidal Solution |
 60%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

What results are obtained from adding FeCl3 to K4[Fe(CN)6] in a diluted, cold solution?

1. Prussian blue sol.                     

2. Fe4[Fe(CN)6]3 sol.

3. Positive sol.                               

4. All of the above.

Subtopic:  Colloidal Solution |
 76%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which of the following electrolytes, Na2SO4, CaCl2, Al2(SO4)3, and NH4Cl, is the most effective coagulating agent for Sb2S3 sol?

1. Na2SO4                             

2. CaCl2

3. Al2(SO4)3                           

4. NH4Cl

Subtopic:  Colloidal Solution |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Among the given options, which element is the minimum required for precipitation of a negatively charged suspension of clay in water?

1. Aluminium chloride.

2. Potassium sulphate.

3. Sodium hydroxide.

4. Hydrochloric acid.

Subtopic:  Colloidal Solution |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The arsenious sulphide sol has negative charge. The maximum coagulationg power for precipitating it is of :

1. 0.1 N Zn(NO3)2

2. 0.1 N Na3PO4

3. 0.1 N ZnSO2

4. 0.1 N AlCl3

Subtopic:  Colloidal Solution |
 69%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

An emulsifier is a substance that:

1. Homogenesis the emulsion

2. Stabilizes the emulsion

3. Retards the dispersion of liquid in the liquid

4. Coagulates the emulsion

Subtopic:  Emulsions |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What is a colloidal solution that is commonly used to treat skin diseases?

1. Colloidal sulphur.                   

2. Colloidal silver.

3. Colloidal gold.                         

4. Colloidal antimony.

Subtopic:  Colloidal Solution |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Adsorption is accompanied by:

1. decrease in entropy of the system

2. decrease in enthalpy of the system

3. TS for the process is negative

4. all of the above

Subtopic:  Adsorption and Absorption |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

How is the flocculation value expressed?

1. Millimole per litre.

2. Mole per litre.

3. Gram per litre.

4. Mole per millilitre.

Subtopic:  Colloidal Solution |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch