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