Chemistry Which one out of the following helps in burning ? Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NO2 SO2 NH3 H2 S NO2 SO2 NH3 H2 S ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Liebig's method Dumas method Victor-Meyer's method Carius method Liebig's method Dumas method Victor-Meyer's method Carius method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 18 17 19 16 18 17 19 16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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