Chemistry Main pollutants released from iron and steel industry are NO, SO3 and H2S CO2, H2S and NO2 CO, CO2 and SO2 CO2, NO2 and SO3 NO, SO3 and H2S CO2, H2S and NO2 CO, CO2 and SO2 CO2, NO2 and SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x x/6 5x/36 5x 7.2 x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
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