氯酸钾制氧气的化学方程式书写正确的是
  A.2KClO3![]()
2KCl+3O2                  B.2KClO3![]()
2KCl+O2↑
 C.2KClO3![]()
2KCl+3O2↑                    D.2KClO3![]()
2KCl+3O2↑                                                                                                                                                              
氯酸钾制氧气的化学方程式书写正确的是
  A.2KClO3![]()
2KCl+3O2                  B.2KClO3![]()
2KCl+O2↑
 C.2KClO3![]()
2KCl+3O2↑                    D.2KClO3![]()
2KCl+3O2↑                                                                                                                                                              
C