З якими речовинами реагує алюміній оксид ; HCI, NAOH, Ca(OH)2, NаCI, H2O, Zn...ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО!!!!!...... - №31829607

З якими речовинами реагує алюміній оксид ; HCI, NAOH, Ca(OH)2, NаCI, H2O, Zn...ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО!!!!!......
- Предмет:
  Химия
- Автор:
  cookie1afp
- 5 лет назад

Ответы 1

Al₂O₃ + 6HCl = 2AlCl₃ + 3H₂O
Al₂O₃ + 2NaOH + 3H₂O = 2Na[Al(OH)₄]
- Автор:
  anyayvjf
- 5 лет назад
- 0
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ПОМОГИТЕ ПОЖАЛУЙСТА НУЖЕН ПЕРЕСКАЗ
The United Kingdom of Great Britain and Northern Ireland is the political name of the country which is made of England, Wales, Scotland and Northern Ireland. It is often abbreviated to UK. The capital of the whole United Kingdom is London. You should know that the United Kingdom is also called Britain.
Britain is one of the world’s smaller countries with an area of some 244,000 square kilometers; with some 56 million people, it ranks about 14th in tern of population.
The United Kingdom is situated on the British Isles. The British Isles lie off the western shores of Europe. They are separated from the Continent by the Strait of Dover, the English Channel (La Manche) and by the North Sea. A warm ocean current, the Gulf Stream, washes Britain’s western shores. In the north-west the country is washed by the Atlantic Ocean. The Irish Sea separates Great Britain from Ireland in the west.
The island of Great Britain can be roughly divided into two main regions – Lowland Britain and Highland Britain. The Pennine Chain extends southward from the Cheviot Hills into the Midland. England is separated from Scotland by the Cheviot Hills. Scotland has three natural topographic divisions: the Southern Uplands, the Central Lowlands, and the Northern Highlands which contain Ben Nevis, the highest point in the British Isles.
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Britain is a parliamentary democracy with a Constitutional monarch, Queen Elizabeth II, as head of state. The country is governed in the Queen’s name by the Government. The Queen is a temporal head of the Church of England.
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