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5 г. железных стружек сожгли в 11.2 л. хлора при н.у. Определите массу образовавшейся соли
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Предмет:
Химия -
Автор:
jeffersonfarrell - 5 лет назад
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Ответы 1
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Определяем количества веществ стружки железа и хлора,затем по тому кто в недостатке считаем массу соли
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Автор:
suzy - 5 лет назад
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1. Choose the correct form of the verb.
1. Hundreds of burglars ___________ (arrest) over the past six months.
2. Yesterday five young men ___________ (arrest) with connection with one of the
attacks.
3. He ___________ (arrest) on suspicion of murder.
4. The police chief says the murderer ___________ (arrest) by the weekend.
2. Choose the correct form of the verb.
1. Ten people ___________ (interwiew) since last week.
2. The candidates ___________ (interwiew) at the moment.
3. You ___________ (interwiew) next week.
4. By the time I came all three people ___________ (interwiew).
5. The musician ___________ (interwiew) immediately after the concert.
3. Choose the correct form of the verb.
1. The film ___________ (make) in 2006.
2. The top of the table ___________ (make) of glass.
3. Hundreds of employees ___________ (make) redundant since 2013.
4. Everyone hates ___________ (make) a fool of.
4. Choose the correct form of the verb.
1. Ann can’t use the office at the moment. It ___________ (redecorate).
2. The house ___________ (redecorate) every year.
3. We couldn’t go to our favoutite restaurant because it ___________ (redecorate).
4. The house looks shabby. It should ___________ (redecorate).
5. Choose the correct form of the verb.
1. I promise that the work ___________ (do) on time.
2. Something should ___________ (do) before it is too late.
3. What ___________ (do) to help him?
4. As soon as the cake ___________ (do), remove it from the oven. 2
6. Choose the correct form of the verb (Active or Passive). Выберите
правильную форму глагола (в активном или страдательном залоге).
(1)Mount Everest and K2 ____________ to be the two highest mountains in the world,
but they are very different.
(a)believe
(b)is believed
(c)believed
(d)are believed
(2)Everest ____________ for the first time in 1953.
(a)is climbed
(b)climbed
(c)was climbed
(d)has been climbed
(3)Since 1953 thousands of people ____________ on Everest.
(a)have stood
(b)stood
(c)are standing
(d)have been standing
(4)You don’t need to be a professional climber to climb Everest – everyyear many people
____________ to the top by guides.
(a)take
(b)are taken
(c)have taken
(d)have been taken
(5)In recent years the popularity of Everest ____________ to cause problems.
(a)will begin
(b)was begun
(c)has begun3
(d)begins
(6)Since 1953 thousands of tons of rubbish ____________ at the foot of Everest.
(a)left
(b)leave
(c)has left
(d)have been left
(7)K2, deep in the Himalayas, ____________ until 1859, seven years after Everest.
(a)did not measure
(b)had not measured
(c)has not been measured
(d)was not measured
(8)K2 is said to be the most dangerous mountain in the world, and it ____________ as
often as Everest has.
(a)doesn’t climb
(b)hasn’t climbing
(c)isn’t being climbed
(d)hasn’t been climbed
(9)Every year small numbers of mountaineers ____________ to reach the top of K2, but
not many succeed.
(a)try
(b)have tried
(c)are tried
(d)are trying
(10)Some of the worst Himalayan accidents in the last twenty years ____________ on K2,
and many lives have been lost.
(a)happen
(b)have happened
(c)will happen
(d)has happened-
Предмет:
Английский язык -
Автор:
annora - 5 лет назад
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Ответов:
1 -
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