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 & Explanation
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
7.
Which of the following is a protein?
A. Natural rubber
B. Starch
C. Cellulose
D. None of these
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
8.
Wood is the main raw material for the manufacture of
A. paint B. paper
C. ink D. gun powder
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
9.
Rayon is chemically
A. cellulose B. pectin
C. glucose D. amylase
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
10.
Optic fibres are mainly used for which of the following?
A. Musical instruments
B. Food industry
C. Weaving
D. Communication
Answer & Explanation
Answer: Option D
Explanation:
No answer description available for this question