Chemistry The main active constituent of tea and coffee is chlorophyll aspirin caffeine nicotine chlorophyll aspirin caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen 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 elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethyl alcohol vinyl chloride None of these ethylene ethyl alcohol vinyl chloride None of these ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol ANSWER DOWNLOAD EXAMIANS APP
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