Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Sulphur Ozone Carbon Phosphorus Sulphur Ozone Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Natural Gas Petroleum Firewood Coal Natural Gas Petroleum Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Fungus which is used in the alcohol industry is Candida Aibicans Yeast Mushroom Rhizopus Candida Aibicans Yeast Mushroom Rhizopus ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Methane Butane Carbon dioxide Isobutane Methane Butane Carbon dioxide Isobutane ANSWER DOWNLOAD EXAMIANS APP
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