Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Physical methods Both A and B Chemical methods They can not be separated Physical methods Both A and B Chemical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change Physical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S NO2 NH3 SO2 H2 S NO2 NH3 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities ANSWER DOWNLOAD EXAMIANS APP