Chemical Process Portland cement consists mainly of SiO₂ & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ CaO & Al2O₃ SiO₂ & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ CaO & Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chrome tanning and vegetable tanning are done for Heavy & light leather respectively Both light & heavy leather Neither light nor heavy leather Light & heavy leather respectively Heavy & light leather respectively Both light & heavy leather Neither light nor heavy leather Light & heavy leather respectively ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Production of one ton of cement requires about __________ tons of limestone. 3.8 0.6 2.2 1.2 3.8 0.6 2.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium sulphate Tricalcium silicate Calcium oxide Calcium carbonate Calcium sulphate Tricalcium silicate Calcium oxide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia. Solvay Ostwald's Haber's None of these Solvay Ostwald's Haber's None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells Produce lower concentration NaOH None of these Require lower initial investment Require more power Produce lower concentration NaOH None of these Require lower initial investment Require more power ANSWER DOWNLOAD EXAMIANS APP