Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Krypton Radon Helium Argon Krypton Radon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Ammonium chloride Calcium chloride Sodium nitrate Sodium chloride Ammonium chloride Calcium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Sulphurous smog Industrial smog Photochemical smog Acid fumes Sulphurous smog Industrial smog Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle Democritus Antoine Lavoisier John Dalton Robert Boyle Democritus Antoine Lavoisier John Dalton ANSWER DOWNLOAD EXAMIANS APP