Both substances have one and the same property: they are easily combined with oxygen when there are many, and it is easily given off when oxygen is low.
Both substances have one and the same property: they are easily combined with oxygen when there are many, and it is easily given off when oxygen is low.
user
Обидві речовини мають одним і тим же властивістю: легко з'єднуються з киснем, коли його багато, і легко його віддають, коли кисню мало.
assistant