Which raw material is used in making of glass and ceramicware?
A
Chrome
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B
Feldspar
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C
Barytes
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D
Bauxite
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Solution
The correct option is D Feldspar
Feldspar is an important ingredient in the manufacture of glass and an important raw material as well, because it acts as a fluxing agent, reducing the melting temperature of quartz and helping to control the viscosity of glass.
In the manufacturing of ceramics, feldspar is the second most important ingredient after clay.