Chemistry Which one is the lightest element in the periodic table Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Cations Isotopes Anions Higgs-boson Cations Isotopes Anions Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Metallic polysulphides Teflon Polyurethane Polystyrene Metallic polysulphides Teflon Polyurethane Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom One Four Three Two One Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
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