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Q. |
Which of the following is a supercooled liquid? |
A. | Ice Cream |
B. | Teflon |
C. | Glass |
D. | Mercury |
Answer» C. Glass | |
Explanation: Most of us think as glass as a solid material, but it is actually a super cooled liquid. Molecular units have a disordered arrangement yet still have sufficient cohesion that mechanical rigidity is produced. Glass was first made in the Middle East, approximately during the third millennium BC. Early uses were primarily for vessels or decoration. |
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