Chemistry Among the following the hardest metal is Iron Gold Platinum Tungsten Iron Gold Platinum Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Tollen's Reagent Test FeCl3Test Esterification Test Ozonolysis Reaction Tollen's Reagent Test FeCl3Test Esterification Test Ozonolysis Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate ANSWER DOWNLOAD EXAMIANS APP
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