Chemistry How many electrons in a Hydrogen atom Four Two Three One Four Two Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid 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 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 The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Detergent Dilute acid Ordinary soap Liquid soap Detergent Dilute acid Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Protein Hydrocarbon Carbohydrate Ester Protein Hydrocarbon Carbohydrate Ester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2SO4 SO2 H2S Fungicide H2SO4 SO2 H2S Fungicide ANSWER DOWNLOAD EXAMIANS APP