Question

what are the raw materials used for making glass???​

Answer 1

SiO2 – Silica Sand.

Na2O – Sodium Oxide from Soda Ash.

CaO – Calcium oxide from Limestone / Dolomite.

MgO – Dolomite.

Al2O3 – Feldspar.

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Answer 2

Answer:

Glass is completely a vitrified product which has no definite composition. The major ingredients form over 90% of all types of glasses are Lime (CaCO3), Sand (SiO2) and soda ash (Na2CO3).

The raw materials are:

SiO2 – Silica Sand

Na2O – Sodium Oxide from Soda Ash

CaO – Calcium oxide from Limestone / Dolomite

MgO – Dolomite

Al2O3 – Feldspar

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