Chemistry The temperature of oxy-acetylene flame is around 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C 3600°C 4000°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Coagulation Dialysis Solvation Emulsion Coagulation Dialysis Solvation Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda ANSWER DOWNLOAD EXAMIANS APP