Chemistry Nitrogen is an essential constituent of all : Proteins Fats Vitamins Carbohydrates Proteins Fats Vitamins Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Al22O3 Na2O CaO MgO Al22O3 Na2O CaO MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous None of these Oxides of carbon and nitrogen Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous None of these Oxides of carbon and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Oxygen Ozone Carbondioxide Nitrogen Oxygen Ozone Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional distillation Fractional crystallisation Sublimation Steam distillation Fractional distillation Fractional crystallisation Sublimation Steam distillation ANSWER DOWNLOAD EXAMIANS APP