Chemical Process Which of the following is not an insecticide? Hydrocyanic acid Sodium flouride Hexane Nicotine Hydrocyanic acid Sodium flouride Hexane Nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Chlorine Activated carbon Calcium sulphate Ferric sulphate Chlorine Activated carbon Calcium sulphate Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace. Bauxite Quartz Limestone Manganese Bauxite Quartz Limestone Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement mainly contains CaO, MgO, K₂O Al2O₃, MgO, FE₂O₃ MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ CaO, MgO, K₂O Al2O₃, MgO, FE₂O₃ MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ 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 Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature All of these Poor oxidation stability and high gum forming tendency Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature All of these Poor oxidation stability and high gum forming tendency ANSWER DOWNLOAD EXAMIANS APP
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