Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Petrol Kerosene Lime Oxalic acid solution Petrol Kerosene Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Mercury Zinc Cadmium Tin Mercury Zinc Cadmium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called NOAEL ADI LD50 LC50 NOAEL ADI LD50 LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetone Ethanol Acetic acid Formaldehyde Acetone Ethanol Acetic acid Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP