Question

What does glass rod made up of :

• A. metal silicates
• B. lime
• C. silicon dioxide
• D. all of these

Answer 1

The correct option is D all of these

Silicon dioxide is usually the main constituent of glass. Other components such as lime and metl silicates are used in making of glass.

Of the many silica-based glasses that exist, ordinary glass is formed from a specific type called soda-lime glass, composed of approximately 75% silicon dioxide, sodium oxide from sodium carbonate, calcium oxide, also called lime, and several minor additives.