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

A. paint
B. paper
C. ink
D. gun powder

Answer: Option B

Explanation:

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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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