Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene In absolute dark Which is a substitution reaction Which is an addition reaction In presence of sunlight In absolute dark Which is a substitution reaction Which is an addition reaction In presence of sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Exothermic heat Slaked lime Hissing sound All of these Exothermic heat Slaked lime Hissing sound All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is As a disinfectant As fire retardant In water treatment As a rocket fuel As a disinfectant As fire retardant In water treatment As a rocket fuel ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement mainly contains MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ Al2O₃, MgO, FE₂O₃ CaO, MgO, K₂O MgO, SiO₂, K₂O CaO, SiO₂, Al2O₃ Al2O₃, MgO, FE₂O₃ CaO, MgO, K₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pasteurisation of milk means Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics None of these Inhibiting the growth of micro-organisms without killing them Removal of fatty and albuminous substance from it Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics None of these Inhibiting the growth of micro-organisms without killing them Removal of fatty and albuminous substance from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Chlorine Sodium bisulphite Lime Sulphuric acid Chlorine Sodium bisulphite Lime ANSWER DOWNLOAD EXAMIANS APP
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