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 Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water 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 Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia Assimilation of nitrate Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia Assimilation of nitrate Utilisation of nitrogen gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Haematite Siderite Magnetite Limonite Haematite Siderite Magnetite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Solid dispersed in gas Gas dispersed in gas Solid dispresed in liquid Gas dispresed in solid Solid dispersed in gas Gas dispersed in gas Solid dispresed in liquid Gas dispresed in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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