Chemistry Why is water not suitable for putting out a petrol fire ? 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 The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Lead oxide Zinc Manganese dioxide Lead Lead oxide Zinc Manganese dioxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Mica Coal Petroleum Natural Gas Mica Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Compound Heterogeneous mixture Element Homogeneous mixture Compound Heterogeneous mixture Element Homogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Magnesium Lead Bromine Barium Magnesium Lead Bromine 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? 1/8 1/6 1/3 1/4 1/8 1/6 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
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