Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Iron Magnesium Sodium Potassium Iron Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is geraniol engenol cineole limonene geraniol engenol cineole limonene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Sodium Aluminium Calcium Silver Sodium Aluminium Calcium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
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