General Knowledge - General Science
Exercise :: General Science - Synthetic Materials
| 6. |
Which of the following is used for removing air bubbles from glass during its manufacture? |
| A. |
Arsenous oxide | | B. |
Potassium carbonate | | C. |
Soda ash | | D. |
Feldspar |
Answer: Option A
Explanation:
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| 7. |
Which of the following is a protein? |
| A. |
Natural rubber | | B. |
Starch | | C. |
Cellulose | | D. |
None of these |
Answer: Option A
Explanation:
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| 8. |
Wood is the main raw material for the manufacture of |
Answer: Option B
Explanation:
|
| 9. |
Rayon is chemically |
| A. |
cellulose | | B. |
pectin | | C. |
glucose | | D. |
amylase |
Answer: Option A
Explanation:
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| 10. |
Optic fibres are mainly used for which of the following? |
| A. |
Musical instruments | | B. |
Food industry | | C. |
Weaving | | D. |
Communication |
Answer: Option D
Explanation:
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