Chemistry Which one is the lightest element in the periodic table Hydrogen Oxygen Carbon Helium Hydrogen Oxygen Carbon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Salicylic acid Boric acid Phosphoric acid Phosphorus acid Salicylic acid Boric acid Phosphoric acid Phosphorus acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Hardness Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Flourine Iodine Bromine Chlorine Flourine Iodine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
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