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Question

What does glass rod made up of :

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

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.


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