- Chemical Engineering Basics - Section 1
- Chemical Engineering Basics - Section 2
- Chemical Engineering Basics - Section 3
- Chemical Engineering Basics - Section 4
- Chemical Engineering Basics - Section 5
- Chemical Engineering Basics - Section 6
- Chemical Engineering Basics - Section 7
- Chemical Engineering Basics - Section 8
- Chemical Engineering Basics - Section 9
- Chemical Engineering Basics - Section 10
- Chemical Engineering Basics - Section 11
- Chemical Engineering Basics - Section 12
- Chemical Engineering Basics - Section 13
- Chemical Engineering Basics - Section 14
- Chemical Engineering Basics - Section 15
- Chemical Engineering Basics - Section 16
- Chemical Engineering Basics - Section 17
- Chemical Engineering Basics - Section 18
- Chemical Engineering Basics - Section 19
- Chemical Engineering Basics - Section 20
- Chemical Engineering Basics - Section 21
- Chemical Engineering Basics - Section 22
- Chemical Engineering Basics - Section 23
- Chemical Engineering Basics - Section 24
- Chemical Engineering Basics - Section 25
- Chemical Engineering Basics - Section 26
- Chemical Engineering Basics - Section 27
- Chemical Engineering Basics - Section 28


Chemical Engineering Basics - Engineering
Q1: Which of the following does not have a sharp melting point ?A Thoria
B Glass
C Ice
D Pig iron
ANS:B - Glass Glass does not have a sharp melting point. Unlike crystalline materials such as thoria, ice, and pig iron, which have well-defined melting points at specific temperatures, glass undergoes a gradual softening and transition from a solid to a viscous liquid over a range of temperatures, rather than melting at a single sharp point. This characteristic is due to the non-crystalline or amorphous nature of glass. In amorphous materials like glass, the arrangement of atoms or molecules lacks the long-range order found in crystalline materials. As a result, the transition from solid to liquid is more gradual, with the material becoming progressively softer and more fluid as it is heated, rather than undergoing a sudden phase change at a distinct melting point. Therefore, glass does not exhibit a sharp melting point like crystalline materials do. Instead, it softens and flows over a range of temperatures, making its transition from solid to liquid less abrupt and more gradual. |


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