McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 1. |
A chain of small chemical units combined to form a large single unit is called ____ |
| A. | Polymer |
| B. | Poly |
| C. | Polythene |
| D. | None of the above |
| Answer» A. Polymer | |
| 2. |
Polythene and PVC are examples of |
| A. | Bio degradable substance |
| B. | Thermosetting plastics |
| C. | Thermoplastics |
| D. | Rayon |
| Answer» C. Thermoplastics | |
| 3. |
Plastics which when moulded once, cannot be softened by heating. Such plastics are called ____ |
| A. | Polythene |
| B. | Thermoplastics |
| C. | Polyster |
| D. | Thermosetting plastics |
| Answer» B. Thermoplastics | |
| 4. |
Polycot is made by mixing two types of fibres namely |
| A. | Silk + Cotton |
| B. | Polythene + cotton |
| C. | Silk + Polyester |
| D. | Polyester + Cotton |
| Answer» D. Polyester + Cotton | |
| 5. |
The 4 R Principle is |
| A. | Reduce, Reuse, Recycle, Recover |
| B. | Remember, reduce, Recycle, Rejoice |
| C. | Repeat, Rejoice, recycle, reduce |
| D. | None of the above |
| Answer» A. Reduce, Reuse, Recycle, Recover | |
| 6. |
_____________ is an example of natural polymer |
| A. | Rayon |
| B. | Cellulose |
| C. | Nylon |
| D. | All of the above |
| Answer» B. Cellulose | |
| 7. |
Which of the following is Non-biodegradable |
| A. | Woolen clothes |
| B. | Plastic bag, |
| C. | Cotton cloth |
| D. | Wood |
| Answer» B. Plastic bag, | |
| 8. |
Bakelite and Melamine are examples of |
| A. | Thermosetting plastics |
| B. | Silk |
| C. | Nylon |
| D. | Rayon |
| Answer» A. Thermosetting plastics | |
| 9. |
Fire proof plastic uniform worn by fire fighters has a coating of _____ to make it fire resistant. |
| A. | Nylon |
| B. | Rayon |
| C. | Melamine plastic |
| D. | Silk |
| Answer» C. Melamine plastic | |
| 10. |
The coating on modern non- stick cookware and electric iron is of |
| A. | Terrycot |
| B. | Rayon |
| C. | Polyester |
| D. | Teflon |
| Answer» D. Teflon | |
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