Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic All of these Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic All of these Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Increase the density of cement Decrease the cement setting rate Both A and B Neither A nor B Increase the density of cement Decrease the cement setting rate Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon content of pitch (residue of coal tar distillation) is around __________ percent. 70 55 80 94 70 55 80 94 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Extraction of __________ employs an electrolytic process. Aluminium All of these Silver Copper Aluminium All of these Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Portland cement consists mainly of CaO & SiO₂ SiO₂ & Al2O₃ CaO & FE₂O₃ CaO & Al2O₃ CaO & SiO₂ SiO₂ & Al2O₃ CaO & FE₂O₃ CaO & Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ CaCl₂ Ca(HCO₃)₂ None of these MgCl₂ CaCl₂ Ca(HCO₃)₂ None of these ANSWER DOWNLOAD EXAMIANS APP
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