Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Bauxite Dolomite Lignite Copper Bauxite Dolomite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Acid rain Sound pollution Deforestation Tourists Acid rain Sound pollution Deforestation Tourists ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by CO2and CFCs NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs NO2and particulates SO2 and NO2 SO2 and particulates 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 heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water 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 The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
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