Chemistry Stains of rust on clothes can be removed by : Oxalic acid Petrol Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Excitation potential Electron affinity Electronegativity Ionization energy Excitation potential Electron affinity Electronegativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Potassium iodate Iodine Potassium iodide Sodium iodide Potassium iodate Iodine Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Carbonate Calcium Carbide Calcium Sulphate Calcium Cyanide Calcium Carbonate Calcium Carbide Calcium Sulphate Calcium Cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.25 mole 0.4 mole 0.2 mole 0.5 mole 0.25 mole 0.4 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
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