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написать уравнение реакции взаимодействия 4-хлор-2,2-диметилпентана с металлическим натрием. В полученном углеводороде указать вторичные атомы углерода
Ответы 1
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Ответ во вложении. Вторичные атомы выделила красным.
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Автор:
yamiletnovak - 6 лет назад
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Еще вопросы
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Запишите 3 предложения со словом поле в разных падежах, но с одинаковым окончанием
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Предмет:
Русский язык -
Автор:
josefinawelch - 6 лет назад
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Ответов:
1 -
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1) They can't go out because they ... rain-coats and umbrellas.
A) Have got
B) Aren't have
C) Don't have
2) Don't give him cigarettas. He (not/ smoke).
A) Isn't smoke
B) Doesn't smoke
C) Don't smoke
3) Jack lives not far from us, but we (not/see) him often.
A) Not see
B) Doesn't see
C) Don't see
4) Can you help me? I (not/know) the way to the market.
A) Am not know
B) Not know
C) Don't know
5) ... Pete ... any beer in the fridge?
A) Does Pete have
B) Do Pete has
C) Have Pete got
6) ... is the cheapest way to get to London: by plain of by train
A) What
B) Who
C) Which
7) Call for ambulance if he (feel) worse
A) Will feel
B) Feel
C) Feels
8) Mrs. Clay (go) shopping today if the (finish) her work earlier than usual
A) Goes, will finish
B) Will go, will finish
C) Will go, finishes
9) - Where is Jane?
- She (go) the shops. She'll be back soon.
A) Went
B) Has gone to
C) Has been to
10) My husband (work) in the bank for three years since 1990 to 1993.
A) Has worked
B) Had worked
C) Worked
11) Mom (lose) her car keys, so we have to open the door by force.
A) Has lost
B) Lost
C) Losed
12) One of the passengers (die) in that accident.
A) Has died
B) Died
C) Die
13) Yesterday as I was walking down Cherry Lane, I (meet) Thomas, an old friend of mine.
A) Met
B) Was meeting
C) Meet
14) Liz's elder brother said that he (go) to enter Leeds University.
A) Went
B) Was going
C) Gone
15) The musician (play) the piano for a whole hour when we came in.
A) Played
B) Had played
C) Had been playing
D) Was playing
16) Выберите правильно написанное слово:
A) Cryed
B) Cryied
C) Cryeid
D) Cried
E) Cred
17)
Закончите предложение:
Ben is a real football ....
A) fun
B) fan
C) play
D) pupil
E) worker
18) Найдите правильный вариант сказуемого:
Asel ... sweets.
A) Likes not
B) Not like
C) Don't like
D)Doesn't like
E) Do like
19) Выберите предложение с общим вопросом:
A) Do they know French or German?
B) Where do you live?
C) Does Mary like milk?
D) How many words did you write?
E) How is your brother?
20) Выберите правильный вариант местоимения
I must go to the conference, .... begins at 5 o'clock
A) She
B) He
C) Him
D) Whose
E) It-
Предмет:
Английский язык -
Автор:
lorelai - 6 лет назад
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Ответов:
1 -
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На поле прямоугольной формы,длина которого 450 м а ширина 200,посадили картофель из расчёта 12кг на 10 кВ.м. После уборки урожая оказалось что картофеля с этого поля собрали в 7 раз больше чем посадили.Ск картофеля собрали?
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Предмет:
Математика -
Автор:
kelvinstrickland - 6 лет назад
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Ответов:
1 -
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какое слово можно составить из букв д р е к о р т и
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Предмет:
Другие предметы -
Автор:
tuffy - 6 лет назад
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Ответов:
1 -
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