Chemistry Which one of the following is a micro-element ? Oxygen Nitrogen Chlorine Hydrogen Oxygen Nitrogen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethyl alcohol vinyl chloride None of these ethylene ethyl alcohol vinyl chloride None of these ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Hydrocarbons of petroleum Glycerides Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Hydrocarbons of petroleum Glycerides Sodium salts of higher fattyacids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Aniline blue Phenolphthalein Alizarin Crystal violet Aniline blue Phenolphthalein Alizarin Crystal violet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO and H2O CO2 and CO CO and H2 CO2and H2 CO and H2O CO2 and CO CO and H2 CO2and H2 ANSWER DOWNLOAD EXAMIANS APP