ПОЖАЙЛУСТА ПОМОГИТЕ!ДАЮ 20 БАЛОВ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Вибрати речовини з однаковим якісним сладом:
NO, Cl₂ O₇, SO₃ , N₂O,НNО₃ , NO₂, NH₃, CO, Hg₂O, CO₂
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