Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Chalcopyrite Magnetite Siderite Hematite Chalcopyrite Magnetite Siderite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Not possible Endothermic None of these Exothermic Not possible Endothermic None of these Exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement mainly contains MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ CaO, MgO, K₂O Al2O₃, MgO, FE₂O₃ MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ CaO, MgO, K₂O Al2O₃, MgO, FE₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are None of these Ammonia limestone and coke Ammonia, salt and limestone Salt, limestone and coke or gas None of these Ammonia limestone and coke Ammonia, salt and limestone Salt, limestone and coke or gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sand and __________ is fused at 1300°C, to produce sodium silicate. Limestone Soda ash Sodium sulphate Coke Limestone Soda ash Sodium sulphate Coke ANSWER DOWNLOAD EXAMIANS APP