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Q23: Which of the following factors could increase
Q58: An endothermic reaction usually leads to cooling.
Q59: phosphoric acid<br>A)weak acid<br>B)strong acid
Q65: Which of the following reaction coordinate diagrams
Q72: A gas sample occupies a volume of
Q88: sodium ion<br>A)54<br>B)2<br>C)10<br>D)18
Q100: What is the correct statement about an
Q101: The oxidation state of metals is almost
Q102: CO<br>A)+4<br>B)-4<br>C)0<br>D)+2<br>E)-1
Q123: sodium nitrate<br>A)+3<br>B)+5<br>C)0<br>D)+4<br>E)+2<br>F)-3