Chemistry Supersonic jet causes pollution by thinning of O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Propane Methane Butane Ethane Propane Methane Butane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Victor-Meyer's method Dumas method Carius method Liebig's method Victor-Meyer's method Dumas method Carius method Liebig's method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? 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 Ozone and carbon dioxide Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
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