Chemistry Why is water not suitable for putting out a petrol fire ? 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 The heat required for combustion of petrol is very low 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 1/4 1/6 1/8 1/3 1/4 1/6 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Methane Acetylene Ethane Butane Methane Acetylene Ethane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 19 16 17 18 19 16 17 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? CaCN2 NH4NO3 Urea Ca(CN)2 CaCN2 NH4NO3 Urea Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
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