PG TRB Chemistry Study Materials Pdf Free Download
| 5. |
______ is a synthetic polymer. |
| |
- A. Starch
- B. Cellulose
- C. Protein
- D. PVC
|
| 6. |
95% of alcohol is known as |
| |
- A. Absolute alcohol
- B. Power alcohol
- C. Methylated spirit
- D. Rectified alcohol
|
| 7. |
Which of the following has the smell of garlic? |
| |
- A. Phosphate
- B. Phosphorous chloride
- C. White phosphorous
- D. Red phosphorous
|
| 8. |
Which one of the following materials is very hard and very ductile? |
| |
- A. Nichrome
- B. Tungsten
- C. Cast iron
- D. Carborundum
|
