Chemistry Which metal is extracted from sea water? Potassium Beryllium Magnesium Aluminium Potassium Beryllium Magnesium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Mercury Gold Iron Platinum Mercury Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Adding a catalyst Increasing the concentration of a product Increasing the temperature Increasing the concentration of a reactant Adding a catalyst Increasing the concentration of a product Increasing the temperature Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Copper Cadmium Lead Chromium Copper Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
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