MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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 | |