Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Nitrogen Argon Neon Helium Nitrogen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Ethylamine Diethylamine Ammonia Triethylamine Ethylamine Diethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Aluminium Phosphide Methyl isocyanate Carbon dioxide Methyl bromide Aluminium Phosphide Methyl isocyanate Carbon dioxide Methyl bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Helium Hydrogen Methane Nitrogen Helium Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP