Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Chlorine Radium Fluorine Francium Chlorine Radium Fluorine Francium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane Isobutane Butane ANSWER DOWNLOAD EXAMIANS APP