Chemistry Which one is the lightest element in the periodic table Oxygen Helium Hydrogen Carbon Oxygen Helium Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide All listed here Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Terricot Rayon Nylon Cotton Terricot Rayon Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
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