- (A) Celestite
- (B) Galena
- (C) Gypsum
- (D) Siderite
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- (A) Steam reforming
- (B) Shift conversion
- (C) Steam gasification
- (D) None of these
- (A) Pig iron
- (B) Steel
- (C) Copper
- (D) Zinc
- (A) Iron oxide
- (B) Soda ash
- (C) Limestone
- (D) Silica
- (A) Flint
- (B) Hard
- (C) Pyrex
- (D) Soda
- (A) CO, CO2 N2, H2
- (B) CO, H2
- (C) H2, CH4
- (D) C2H2, CO2, H2
- (A) NH3 and CO2
- (B) Lime and soda ash
- (C) Lime, ammonia and carbon
- (D) All A ,
- (A) Coking coals cannot be used
- (B) Low carbon conversion efficiency is achieved
- (C) Entrainment of solids is higher
- (D) Large quantity of coal can be processed
- (A) CaO, SiO2, Al2O3
- (B) MgO, SiO2, K2O
- (C) Al2O3, MgO, Fe2O3
- (D) CaO, MgO, K2O
- (A) 25
- (B) 60-70
- (C) 150-200
- (D) 250-300

