Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaOH NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Zinc Copper Gold Iron Zinc Copper Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of – Exclusion Principle of Pauli Uncertainty Principle of Hiesenberg Hund's rule of maximum multiplicity Avogadro's Law Exclusion Principle of Pauli Uncertainty Principle of Hiesenberg Hund's rule of maximum multiplicity Avogadro's Law ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Hg Lead NO2 SO2 Hg Lead NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 12 6 18 Zero 12 6 18 ANSWER DOWNLOAD EXAMIANS APP
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