Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 –4 4 Zero 8 –4 4 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Silver Gold Copper Mercury Silver Gold Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [CrO4]2− [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CoF6]3+ [CrO4]2− [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Methane Helium Propane Nitrogen Methane Helium Propane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In sugar solution, Sugar is solute, water is solvent Both are solvents Both are solutes Sugar is solvent, water is solute Sugar is solute, water is solvent Both are solvents Both are solutes Sugar is solvent, water is solute ANSWER DOWNLOAD EXAMIANS APP
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