A. Lime, clay and soda ash
B. Sand, lime and soda ash
C. Silica, alumina and clay
D. Silica, alumina and soda ash
A. Lower melting point & higher reactivity to oxygen
B. Higher melting point & higher reactivity to oxygen
C. Lower melting point & lower reactivity to oxygen
D. Higher melting point & lower reactivity to oxygen
A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils
B. Fire fighting purposes
C. Both A. & B.
D. Neither A. nor (B)
A. CO, CO2 N2, H2
B. CO, H2
C. H2, CH4
D. C2H2, CO2, H2
A. FeO.TiO2
B. Ca SO4 . 2H2O
C. Fe4 [Fe (CN6)3]
D. AlF3 . 3NaF
A. Na2SO4
B. CaSO4. ½H2O
C. MgSO4
D. BaSO4
A. Drying
B. Semi-drying
C. Non-drying
D. None of these