Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low 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 oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low 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 oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Carbon monoxide Nitrogen Carbon dioxide Nitrogen dioxide Carbon monoxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Coal High octane fuel Cooking gas Low octane fuel Coal High octane fuel Cooking gas Low octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent NaOH NaHCO3 SOCl2 Tollen's reagent NaOH NaHCO3 SOCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid Liquid soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Oxygen Carbon Iron Nitrogen Oxygen Carbon Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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