Chemistry The percentage of oxygen in air is approximately 0.78 0.01 0.21 1 0.78 0.01 0.21 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Ethylene glycol Methanol Propyl alcohol Ethanol Ethylene glycol Methanol Propyl alcohol Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Precipitate Sol Gel Emulsion Precipitate Sol Gel Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Hardness Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.18 0.27 0.305 0.25 0.18 0.27 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP