Chemistry Which of the following is colourless ? Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition UV photoelectron spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Arsenic Mercury Aluminium Lead Arsenic Mercury Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Copper Zinc Tin Lead Copper Zinc Tin Lead ANSWER DOWNLOAD EXAMIANS APP
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