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 The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water 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 The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Encapsulation Capping Landfill Chemical fixation Encapsulation Capping Landfill ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen dioxide Nitric oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Copper Graphite Cadmium Zinc Copper Graphite Cadmium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/6 1/8 1/4 1/3 1/6 1/8 1/4 ANSWER DOWNLOAD EXAMIANS APP
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