Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -53 -196 -103 -183 -53 -196 -103 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lubricating greases are a mixture of Mineral oil, soap and additives Mineral oil and metallic soap Mineral oil and fatty oil Fatty oil and metallic soap Mineral oil, soap and additives Mineral oil and metallic soap Mineral oil and fatty oil Fatty oil and metallic soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of Grignard reagent is Sodium bicarbonate Sodium sulphite Ethyl magnesium chloride Sodium thiosulphate Sodium bicarbonate Sodium sulphite Ethyl magnesium chloride Sodium thiosulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most widely and commonly used coagulant for the removal of suspended impurities in water is Slaked lime Copper sulphate Bleaching powder Alum Slaked lime Copper sulphate Bleaching powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, sulphur, volatile matter & ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst All of these Has a longer life and is not poisoned by arsenic Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant All of these Has a longer life and is not poisoned by arsenic Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS