Почему щелочные и щелочноземельные металл хранят под керосином ?Почему титий , в отличие от - №20360990

Почему щелочные и щелочноземельные металл хранят под керосином ?Почему титий , в отличие от натрия иикалия , хранят в вазелине ?
- Предмет:
  Химия
- Автор:
  ellen54
- 5 лет назад

Ответы 0

Добавить свой ответ

Еще вопросы

Выучи словарные слова: Овощи, Москва,Космонавт,молоко,метр,салат,капуста. Составб с каждым мз них предложение(усно) Нопиши слова несколкораз выдели орфограмму (опосное место слове) удорение помогите пожалуста
- Предмет:
  Русский язык
- Автор:
  erinmarquez
- 5 лет назад
- Ответов:
  
  1
- Смотреть
1. Choose the correct form of the verb.
She ___________а birthday cake now.
A) be cooking
B) am cooking
C) is cooking
D) are cooking
2. Complete the question.
Mike studies the problem of overpopulation, ___________?
A) does he
B) doesn`t he
C) is he
D) isn`t he
3. Fill in the gaps.
He doesn`t know ___ English well. He can speak it only ___ little.
A) __, __
B) __, a
C) the, __
D) an, a
4. Rewrite the sentence in indirect (reported) speech.
«Jack will win the competition tomorrow», said Kate.
A) Kate said that Jack would win the competition tomorrow.
B) Kate said that Jack would win the competition the next day.
C) Kate said that Jack will win the competition the next day.
D) Kate said that Jack won the competition the next day.
5. Choose the right form of the verb.
One of the most fascinating projects ___________ by a 9-year-old boy from our school.
A) creates
B) is creating
C) was created
D) had created
6. Choose the correct form of the verb.
I _____________ only 5 pages by the time you came back.
A) write
B) wrote
C) was writing
D) had written
7. Choose the right modal verb.
Billy ____ speak English well enough, but I think he need some more practice.
A) must
B) may
C) can
D) should

8. Match words with their synonyms.
1) huge
2) mad
3) necessary
4) unhappy А. crazy
Б. essential
В. immense
Г. miserable
A) 1Б, 2В, 3А, 4Г
B) 1Г, 2В, 3А, 4Б
C) 1А, 2В, 3Б, 4Г
D) 1В, 2А, 3Б, 4Г
9. Choose the right form of the verb.
I offered him ____________ basketball, but he said he would rather enjoy _________ TV.
A) to play, to watch
B) play, watch
C) to play, watching
D) playing, to watch
10. Choose the right word.
I`m exhausted. I _______________ my car for three hours and I`m still not over.
A) repair
B) am repairing
C) have repaired
D) have been repairing
11. Choose the right word.
Ron ______________ himself to more porridge.
A) compared
B) helped
C) behaved
D) ate
12. Find the right definition of the word.
chatterbox
A) someone who talks too much
B) a box for snacks
C) someone who reads books all the time
D) a box for mail
13. Name the most northern state of the USA?
A) Canada
B) Alaska
C) Yukon
D) Florida
14. Where is Westminster Abbey situated?
A) London
B) Berlin
C) Rome
D) New York
15. Choose the RIGHT statement.
A) Stonehenge is situated in London.
B) The USA consists of 50 states and federal district of Washington, D.C.
C) Australia is the biggest ocean in the world.
D) Berlin is the biggest city in England.
- Предмет:
  Английский язык
- Автор:
  sydney88
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Помогите пожалуйста написать топик по английскому языку на 2 тему
- Предмет:
  Английский язык
- Автор:
  dalton428
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Даю 10 баллов.Помогите только
Назовите последовательно по ходу часовой стрелки страны-соседи Украины,начиная от устья Дуная
А) Беларусь
Б)Польша
В)Румыния
Г)Словакия
- Предмет:
  География
- Автор:
  calliepeters
- 5 лет назад
- Ответов:
  
  0
- Смотреть

How much to ban the user?

1 hour 1 day 100 years