Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have___________________?
Correct answer: C. Sharp melting points
- A. High electrical insulation properties
- B. Low co-efficient of thermal expansion
- C. Sharp melting points
- D. Compressive strength much greater than their tensile strengths
Explanation
Glass is amorphous, so it softens over a temperature range rather than having a sharp melting point. Its electrical insulation, low thermal expansion and greater compressive than tensile strength are typical properties.
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