Sudden temperature fluctuation does not affect pyrex glass, because of its __________________?
A. Low co-efficient of expansion
B. High co-efficient of expansion
C. High melting point
D. Both B. and (C)
A. Low co-efficient of expansion
B. High co-efficient of expansion
C. High melting point
D. Both B. and (C)
A. 80
B. 90
C. 98
D. 100
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Xanthates
B. Stearic acid
C. Calcium & aluminium stearate
D. Formic acid
A. Decreases with decrease of thickness of the flakes
B. Increases with the increasing flake size keeg the flake thickness constant
C. Increases considerably with the rise of temperature
D. Decreases as the moisture content of flakes increases
A. Impart resistance to penetration by liquids
B. Increase its thickness
C. Increase its flexibility & opacity
D. Increase its brightness