MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following chemical is added in washing powder for keeping it dry? |
| A. | Sodium silicate |
| B. | Inorganic phosphate |
| C. | Carboxy-methyl cellulose |
| D. | Sodium perborate |
| Answer» B. Inorganic phosphate | |
| 2. |
The % weight of detergent in washing powders is ____________ |
| A. | 5 – 10 |
| B. | 50 – 70 |
| C. | 15 – 30 |
| D. | 30 – 45 |
| Answer» D. 30 – 45 | |
| 3. |
If the carbon chain is linear, the corresponding detergent will be ____________ |
| A. | Soft and non-biodegradable |
| B. | Soft and biodegradable |
| C. | Hard and biodegradable |
| D. | Hard and non-biodegradable |
| Answer» C. Hard and biodegradable | |
| 4. |
If the carbon chain is highly branched, the corresponding detergent will be ____________ |
| A. | Soft and biodegradable |
| B. | Soft and non-biodegradable |
| C. | Hard and biodegradable |
| D. | Hard and non-biodegradable |
| Answer» E. | |
| 5. |
Which of the following is an example of cationic detergent? |
| A. | Alkyltrimethyl ammonium chloride |
| B. | Sodium salts of alkyl sulphates |
| C. | Sodium salts of alkyl benzene sulphonic acids |
| D. | Polyethers |
| Answer» B. Sodium salts of alkyl sulphates | |
| 6. |
Detergents are synthetic soaps like cleansing agents and are also known as ____________ |
| A. | Artifacts |
| B. | Detritus |
| C. | Syndets |
| D. | Collagen |
| Answer» D. Collagen | |
| 7. |
WHICH_OF_THE_FOLLOWING_CHEMICAL_IS_ADDED_IN_WASHING_POWDER_FOR_KEEPING_IT_DRY??$ |
| A. | Sodium silicate |
| B. | Inorganic phosphate |
| C. | Carboxy-methyl cellulose |
| D. | Sodium perborate |
| Answer» B. Inorganic phosphate | |
| 8. |
Which of the following chemical is added in washing powder for keeping the dirt suspended in water? |
| A. | Sodium silicate |
| B. | Inorganic phosphate |
| C. | Carboxy-methyl cellulose |
| D. | Sodium perborate |
| Answer» D. Sodium perborate | |
| 9. |
The % weight of detergent in washing powders i? |
| A. | 5 – 10 |
| B. | 50 – 70 |
| C. | 15 – 30 |
| D. | 30 – 45 |
| Answer» D. 30 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 45 | |
| 10. |
If the carbon chain is linear, the corresponding detergent will be |
| A. | Soft and non-biodegradable |
| B. | Soft and biodegradable |
| C. | Hard and biodegradable |
| D. | Hard and non-biodegradable |
| Answer» C. Hard and biodegradable | |
| 11. |
If the carbon chain is highly branched, the corresponding detergent will be |
| A. | Soft and biodegradable |
| B. | Soft and non-biodegradable |
| C. | Hard and biodegradable |
| D. | Hard and non-biodegradable |
| Answer» E. | |
| 12. |
The detergents which bear negative charge at the soluble end of the chain are called anionic detergents. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Which of the following is an example of non-ionic detergent? |
| A. | Alkyltrimethyl ammonium chloride |
| B. | Sodium salts of alkyl sulphates |
| C. | Sodium salts of alkyl benzene sulphonic acids |
| D. | Polyethers |
| Answer» E. | |
| 14. |
Which of the following is also known as invert detergents? |
| A. | Anionic detergents |
| B. | Cationic detergents |
| C. | Non-ionic detergents |
| D. | All detergents comes in the category of invert detergents |
| Answer» C. Non-ionic detergents | |
| 15. |
Detergents are synthetic soaps like cleansing agents and are also known as |
| A. | Artifacts |
| B. | Detritus |
| C. | Syndets |
| D. | Collagen |
| Answer» D. Collagen | |