Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 88 50 314 138 88 50 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 Hydrocarbons NO CO CO2 Hydrocarbons NO CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Oxalic acid Citric acid Lactic acid Sulphuric acid Oxalic acid Citric acid Lactic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides ANSWER DOWNLOAD EXAMIANS APP
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