Chemical Process Which of the following is the second major component of cement? Fe₂O₃ Al₂O₃ SiO₂ CaO Fe₂O₃ Al₂O₃ SiO₂ CaO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Easy removal of its hardness Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water None of these Easy removal of its hardness Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Froth floatation Electromagnetic separation None of these Roasting Froth floatation Electromagnetic separation None of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? Digestion Depithing None of these Bleaching Digestion Depithing None of these Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Siderite Hematite Chalcopyrite Magnetite Siderite Hematite Chalcopyrite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an explosive? Nitroglycerene All of these Trintrotoluene (TNT) Cellulose nitrate Nitroglycerene All of these Trintrotoluene (TNT) Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP