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 oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Xenon Argon Helium Krypton Xenon Argon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polystyrene Teflon Metallic polysulphides Polyurethane Polystyrene Teflon Metallic polysulphides Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Low octane fuel Coal Cooking gas High octane fuel Low octane fuel Coal Cooking gas High octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because Its refractive index is high It is colourless It is pure It is hard Its refractive index is high It is colourless It is pure It is hard ANSWER DOWNLOAD EXAMIANS APP
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