Назвіть усі сполуки,утворені внаслідок реакцій
2Sr+O2⇒2SrO
4Li+O2⇒2Li2O
4V+5O2⇒2V2O5
2Ba+O2⇒2BaO
2H2+O2⇒2H2O
2W+3O2⇒2WO3


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