ESS
Grade-8
Easy
Question
Which of the following is a primary ingredient in glass making?
- Quartz
- Garnet
- Asbestos
- Gypsum
Hint:
Quartz is the main ingredient in glass making.
The correct answer is: Quartz
- Quartz glass is produced using quartz sand as the main ingredient.
- It is highly valuable for its transmission properties, heat tolerance, and chemical resistance.
- Quartz has various properties hence is called a 'Universal Crystal'
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