Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Teflon Perspex Styrofoam Polystyrene Teflon Perspex Styrofoam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate BHT Saccharin Sodium metabisulphite Sodium sulphate BHT Saccharin Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Reduced by light Oxidised in air Totally colourless Soluble in hyposolution Reduced by light Oxidised in air Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 N2O SO2 SO3 NO2 N2O SO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
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