Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Calcite Bauxite Haematite Cryolite Calcite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mr None of these Mg Hg Mr None of these Mg Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 10, 8 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 2, 8, 10 2, 8, 8, 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Carbon dioxide Nitrogen Oxygen Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Nylon Polyester Cotton Terylene Nylon Polyester Cotton Terylene 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
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