Chemistry Tear gas used by the police to disperse the mob contains Ammonia Hydrogen sulphide Carbon dioxide Chlorine Ammonia Hydrogen sulphide Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Air Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane Air Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Limestone Slaked lime Marble Chalk Limestone Slaked lime Marble Chalk ANSWER DOWNLOAD EXAMIANS APP
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