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Q12: For the reaction 2 N<sub>2</sub>O(g)⇌ O<sub>2</sub> (g)+
Q16: Tap water contains dissolved nitrogen and oxygen.
Q23: For the reaction Ag<sub>2</sub>S(s)⇌ 2 Ag<sup>+</sup> (aq)+
Q26: A chromosome is:<br>A)a structure within the cell
Q30: If an object has 6.25% of the
Q43: Substances that can act both as an
Q54: Ice can float in a glass of
Q71: Nuclear power plants produce energy by fission
Q91: What is the balanced oxidation half-reaction
Q93: sec-butyl<br>A)<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6108/.jpg" alt="sec-butyl A) B)