A. Magnesium
B. Phosphorous
C. Chlorine
D. Aluminium.
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The raw material used for the manufacture of the Glass and is cement is :
A Clay B Gypsum C Washing soda D Limestone
A. Magnesium
B. Phosphorous
C. Chlorine
D. Aluminium.
A Clay B Gypsum C Washing soda D Limestone