Chemistry The nuclear particle having no mass and no charge, but only spin is Neutrino Meson Proton Electron Neutrino Meson Proton Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Sulphuric acid is consumed SO2 is evolved Lead is formed Lead sulphate is consumed Sulphuric acid is consumed SO2 is evolved Lead is formed Lead sulphate is consumed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar infrared radiation CO2 in the air Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air Solar ultraviolet radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Oxalic acid Acetic acid Citric acid Hydrochloric acid Oxalic acid Acetic acid Citric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is coke graphite charcoal diamond coke graphite charcoal diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP