Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.2 mole 0.4 mole 0.25 mole 0.5 mole 0.2 mole 0.4 mole 0.25 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Chlorine Iodine Fluorine Bromine Chlorine Iodine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 120 gms 0.12 gms 12 gms 1.2 gms 120 gms 0.12 gms 12 gms 1.2 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons NO CO CO2 Hydrocarbons NO CO CO2 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 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 The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water 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 The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Fog Sleet Mist Smog Fog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
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