Oxygen

Разделы: Химия, Иностранные языки

Классы: 9, 10, 11


Ребята! Давайте попробуем подготовиться к экзамену по английскому языку и узнаем много полезной информации о химических элементах.

Преобразуйте, если необходимо, слова в скобках, так чтобы они грамматически и лексически соответствовали содержанию текста.

  1. The ………. (discover) of oxygen in the 18th century was a significant moment in chemistry.
  2. Joseph Priestley and Carl Scheele both ………. (independent) isolated the gas around the same time.
  3. Antoine Lavoisier later recognized its elemental nature and provided a proper ………….. (name) for it.
  4. Oxygen is a ………... (color), odorless, and tasteless gas, making it imperceptible to our senses.
  5. It is ………… (fundamental) important for respiration, allowing most living organisms to breathe.
  6. The gas is highly ………. (react), readily combining with many other elements to form oxides.
  7. This ………… (react) is clearly seen in its role in combustion, where it supports flames.
  8. Oxygen is the most ……… (abundance) element by mass in the Earth's crust, found in rocks and minerals.
  9. It is a crucial ………. (compose) of water (H2O), making up a large portion of our planet's hydrosphere.
  10. Its ………. (wide) use ranges from medical oxygen therapy to industrial processes like steel production.