Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Chromium Zinc Antimony Lead Chromium Zinc Antimony Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Ionic Polar Nonpolar Covalent Ionic Polar Nonpolar Covalent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Basic property Acidic property Oxidising property Reducing property Basic property Acidic property Oxidising property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Nickel Zinc Lead Chromium Nickel Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
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