Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 1.2 gms 12 gms 120 gms 0.12 gms 1.2 gms 12 gms 120 gms 0.12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Bromine Iodine Flourine Chlorine Bromine Iodine Flourine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
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