Помогите с химией плез! Верны ли следующие суждения о реакциях ионного обмена? А. Реакция между растворами сульфата натрия и хлорида бария протекает необратимо. Б. Реакция между азотной кислотой и раствором сульфата меди (II) протекает необратимо.

Помогите с химией плез!

Верны ли следующие суждения о реакциях ионного обмена?

А. Реакция между растворами сульфата натрия и хлорида бария протекает необратимо.

Б. Реакция между азотной кислотой и раствором сульфата меди (II) протекает необратимо.
- Предмет:
  Химия
- Автор:
  sergio733
- 6 лет назад

Ответы 2

Спасибо!
- Автор:
  jasiahlowery
- 6 лет назад
- 0
Б правельный ответ .....
- Автор:
  gams
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

Сатурн Күнді бір айналып өтті . Егер Сатурнның Күнге тартылу күші 38×10^20 Н болса , ол қандай жұмыс жасаған ? Сатурн орбитасының ұзындығы 9×10^9 км. ( ^ белгісі дəрежені білдіреді )
- Предмет:
  Физика
- Автор:
  rambomoses
- 6 лет назад
- Ответов:
  
  2
- Смотреть
Карий цвет глаз доминирует над голубым цветом.Оба родители карие глаза.Могут дети в этой семье иметь голубые глаза?
- Предмет:
  Биология
- Автор:
  georginaxlsc
- 6 лет назад
- Ответов:
  
  0
- Смотреть
. Из четырех вариантов (А), (В), (С), (D) выберите единственно правильный:
1. Six public holidays in Great Britain.
(A) celebrate
(B) are celebrating
2. Have you telephoned your parents
(A) still
(B)yet
3. Mrs Nickolas offered me
(C) are celebrated
(D) are celebrate
(C) while
(D) else
cup of tea.
(A) other
(B) another
4. They didn't go to the country
(A) as
(B) because
5. Don't worry. We'll look
(C) an other
(D) the other
the bad weather.
(C) because of
(D) therefore
your children.
(A) at
(B) into
(C) about
(D) after
6. • has lived in this house for a long time.
(A) Some (C) Anybody
(B) Nobody
7. It's the most exciting film _
(A) I've ever seen
(B) I've never seen
8. The success of our picnic depends
(A) of
(B) for
9.1 wondered she would say next.
(A) that
(B) what
(C) Anything
(C) I've ever saw
(D) I ever seen
the weather.
(C)on
(D)to
(C) which
(D) whom
,
10. We __ to a wonderful pop concert last Saturday.
(A) have gone (C) had gone
(B) were going (D) went11.
"If you all summer, you'll starve in the winter," said the ant to
the grasshopper.
(A) sing and dance (C) singing and dancing
(B) will sing and dance (D) would sing and dance
12. Can you tell me to Trafalgar Square?
(A) the road (C) how to find
(B) the way (D) how get
13.1 usually read a lot, but just now anything.
,
(A) I am reading (C) I have read
(B) I'm not reading (D) I read
14. You had to come back, ?
(A) didn't you (C) weren't you
(B) hadn't you (D) had you
15. At that moment Jack's wife came in and said that she the police.
(A) is going to call (C) had called
(B) called (D) had been called
ч
16. I'm very tired. I for three days.
(A) travel (C) had travelled
(B) travelled (D) have been travelling
17. If what you say is true, there is we can do about it.
(A) little (C) few
(B) a little (D) a few
18. Our kitten washes every hour.
(A) him (C) himself
(B) his (D) itself
19. My doctor has told me .
(A) to stop smoke (C) to stop smoking
(B) stop to smoke (D) to stop to smoking
20.1 intend to stay in bed • 10 o'clock tomorrow morning.
(A) for (C) while
(B) during (D) till21.
When will the conference
(A) take part
(B) take place
59
22. Bad news fast.
(A) travel
(B) travels
23.1 wonder to the party.
(A) will they come
(B) they will come
24. It wasn't easy for Polly
(A) do
(B) make
(C) take time
(D) take off
(C) have travelled
(D) are travelling
(C) if they will come
(D) that they will come
a decision.
(C) to do
(D) to make
25. Jack kissed his wife and said that he would return
(A) as early as it would be possible (C) at the nearest early possibility
(B) at the earliest that it could be possible (D) as soon as possible
- Предмет:
  Английский язык
- Автор:
  jamiyaknzm
- 6 лет назад
- Ответов:
  
  0
- Смотреть
У мальчика в коллекции было 24 болгарские марки и 40 российских марок. Он поместил их в альбом, поровну на каждую страницу. Российские марки заняли на 2 страницы больше, чем болгарские. Сколько страниц было занято российскими марками? Пожалуйста сделайте чертёж или краткую запись или таблицу.
- Предмет:
  Математика
- Автор:
  patricky
- 6 лет назад
- Ответов:
  
  2
- Смотреть

Ответы 2

Топ пользователей