Chemistry Which among the following metals provides amphoteric oxide ? Calcium Sodium Silver Aluminium Calcium Sodium Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water insoluble None of these sparingly soluble soluble insoluble None of these sparingly soluble soluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Oxalic acid H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Aluminium Silver Gold Iron Aluminium Silver Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP