McqMate
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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