Chemical Process Portland cement consists mainly of CaO & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ SiO₂ & Al2O₃ CaO & Al2O₃ CaO & FE₂O₃ CaO & SiO₂ SiO₂ & Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most stable allotropic form of phosphorous is the __________ phosphorous. Black Red White Yellow Black Red White Yellow ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an abrasive material ? Bakelite Carborundum Pumice Corundum Bakelite Carborundum Pumice Corundum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Maleic anhydride is produced by catalytic oxidation of Ethyl alcohol Naphthalene Toluene Benzene Ethyl alcohol Naphthalene Toluene Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mannheim furnace is used in the manufacture of H₂SO₄ by Chamber process Calcium carbide Corundum Hydrochloric acid H₂SO₄ by Chamber process Calcium carbide Corundum Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 4000 8500 800 1600 4000 8500 800 1600 ANSWER DOWNLOAD EXAMIANS APP
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