- 1(current)
Q. No.Choose the correct statement:
| 1. | Detergents that can not be degraded by bacteria are called biodegradable detergents. |
| 2. | Biodegradable detergents have straight hydrocarbon chains. |
| 3. | Detergents that can be degraded by bacteria are called non-biodegradable detergents. |
| 4. | Biodegradable detergents have highly branched hydrocarbon chains. |
Subtopic: Â Soaps & Detergents, Dyes & Propellant |
 71%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
Soaps do not work in hard water because:
| 1. | Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble calcium or magnesium salts of fatty acids. |
| 2. | Sodium or potassium ions displace calcium and magnesium from their salts and form insoluble calcium or magnesium salts of fatty acids. |
| 3. | Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble sodium or potassium salts of fatty acids. |
| 4. | None of the above. |
Subtopic: Â Soaps & Detergents, Dyes & Propellant |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
Detergents are preferred over soap for cleaning clothes because -
1. Detergents form soluble salts.
2. Detergents form insoluble salts.
3. Soaps form soluble salts.
4. Soaps form insoluble salts of potassium.
Subtopic: Â Soaps & Detergents, Dyes & Propellant |
 65%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
The correct statement among the following regarding cationic detergent is/are:
| 1. | These are sodium salts of long chain alcohols or alkylbenzenesulphonic acids. |
| 2. | Sodium 4-(1-dodecyl) benzenesulphonate (SDS) is an example of an anionic detergent. |
| 3. | These are quaternary ammonium salts of acetates, chlorides, or bromides of amine. |
| 4. | None of the above. |
Subtopic: Â Soaps & Detergents, Dyes & Propellant |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
The correct statement among the following during the cleansing action of soaps is:
| 1. | Hydrophobic parts of the stearate ions attach themselves to the oil droplets. |
| 2. | Hydrophilic parts of the stearate ions project outside the oil droplets. |
| 3. | Hydrophilic parts of the stearate ions attach themselves to the oil droplets. |
| 4. | Both (1) and (2) |
Subtopic: Â Soaps & Detergents, Dyes & Propellant |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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