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Questions and Answers
Which of the following is the principal ingredient of glass?
Which of the following is the principal ingredient of glass?
- Sand
- Flint
- Quartz
- All of the above (correct)
Which type of glass container has wide openings?
Which type of glass container has wide openings?
- Bottles
- Jars (correct)
- Both bottles and jars
- None of the above
What is the melting point of fused silica glass?
What is the melting point of fused silica glass?
- Around 1500°C
- Below 1000°C
- Around 2000°C
- Above 1700°C (correct)
In which state does glass exist?
In which state does glass exist?
What has the American Society for Testing and Materials (ASTM) defined glass as?
What has the American Society for Testing and Materials (ASTM) defined glass as?
Which term is used to describe the two main types of glass containers used in food packaging?
Which term is used to describe the two main types of glass containers used in food packaging?
What is the definition of glass according to the American Society for Testing and Materials (ASTM)?
What is the definition of glass according to the American Society for Testing and Materials (ASTM)?
Which material is the principal ingredient of glass?
Which material is the principal ingredient of glass?
What is the state of glass?
What is the state of glass?
Which specialized application uses fused silica glass due to its high melting point?
Which specialized application uses fused silica glass due to its high melting point?
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Study Notes
Glass Composition
- The principal ingredient of glass is silicon dioxide (SiO2), commonly found in silica-rich sand.
Glass Containers
- Wide-mouth glass containers have large openings.
Glass Properties
- The melting point of fused silica glass is very high.
State of Glass
- Glass exists in a solid amorphous state.
Glass Definition
- According to the American Society for Testing and Materials (ASTM), glass is an amorphous, inorganic, and transparent material.
Glass Packaging
- The two main types of glass containers used in food packaging are narrow-necked and wide-mouthed containers.
Fused Silica Glass Applications
- Fused silica glass, with its high melting point, is used in specialized applications, such as telescopes and other high-temperature equipment.
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