Chemistry Setting of plaster of paris involves Dehydration process Hydration to form other hydrates Reduction process Oxidation process Dehydration process Hydration to form other hydrates Reduction process Oxidation process ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 Fe3O4 Fe2O3 FeCO3 FeS2 Fe3O4 Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO CO2 NO Hydrocarbons CO CO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitramines Nitrates Nitrites Ammonia Nitramines Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Hydrogen Methane Nitrogen Helium Hydrogen Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP