Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Hot dipping Electroplating Galvanising Tinning Hot dipping Electroplating Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Iodine Chlorine Fluorine Bromine Iodine Chlorine Fluorine 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
Chemistry Which one of the following is not a fertilizer? Calcium ammonium nitrate Ammonium sulphate Potassium nitrate Calcium sulphate Calcium ammonium nitrate Ammonium sulphate Potassium nitrate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Ethyl alcohol Propyl alcohol Methyl alcohol Butyl alcohol Ethyl alcohol Propyl alcohol Methyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of Fungicide SO2 H2S H2SO4 Fungicide SO2 H2S H2SO4 ANSWER DOWNLOAD EXAMIANS APP