Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 –4 Zero 4 8 –4 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Higgs-boson Anions Cations Isotopes Higgs-boson Anions Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Limonite Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its chemical inertness presence of free electrons its high density its high polishing its chemical inertness presence of free electrons its high density its high polishing ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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