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Q2: The oxidation number of barium in BaO
Q30: What is the value of the spin
Q33: Which of the following pure substances has
Q46: Which of the following best represents the
Q50: The change in energy for which of
Q57: Which of the following solutions would be
Q89: If the liquid of a pure substance
Q92: In the ICl<sub>4</sub><sup>-</sup> ion,the electron pairs are
Q114: If more ice is added to an
Q123: How many grams of lithium nitrate,LiNO<sub>3</sub> (68.9