1. Glass is a mixture of:
Correct Answer is : Metallic silicates
2. How many different categories of glass are there?
3. Which of the following types of glass accounts for about 90% of manufactured glass?
Correct Answer is : Soda-lime glass
4. The two types of soda-lime glass- flat glass and container glass differ in:
Correct Answer is : Application, production method and chemical composition
5. Which type of glass is used in the manufacture of artificial gems, bulbs, lenses, etc?
Correct Answer is : Potash-lead glass