Chemistry Which one is the most reactive halogen Chlorine Bromine Iodine Fluorine Chlorine Bromine Iodine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas Sulphur dioxide gas Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
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 Silicon is a Nonconductor Conductor Insulator Semiconductor Nonconductor Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH ANSWER DOWNLOAD EXAMIANS APP