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К 6,6 граммам сульфата аммония прилили 30мл 15% раствора NaOH плотностью 1,17 г/мл и смесь нагрели. Был собран аммиак V=896мл (н.у.) Вычислите объёмную долю в процентах выхода аммиака.
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Предмет:
Химия -
Автор:
marcellak0or - 6 лет назад
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Автор:
lauramay - 6 лет назад
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Тест по англ.яз! Пожалуйста, помогите!
3a Заполните первые десять пропусков в тексте подходящими словами из списка
(10 баллов)
Example: a) had b) has c) have
1 a) go b) was c) went
2 a) cousin b) cousins c) cousin‟s
3 a) a b) an c) the
4 a) because b) but c) so
5 a) get b) got c) has
6 a) has b) is c) isn‟t
7 a) a b) one c) two
8 a) from b) in c) to
9 a) because b) but c) so
10 a) aren‟t b) weren‟t c) didn‟t
b Заполните оставшиеся десять пропусков в тексте любыми другими подходящими
по смыслу словами (10 баллов)
When did I last _have a holiday? Well, six months ago I (1)_____ to the United States because
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I decided to visit him there. Denver‟s an interesting city and it‟s (5)________ lots of theatres and
art galleries. There aren‟t many tourists and it (6) _______ very expensive. After (7) _______ days
in Denver, we took a plane (8) _____ Las Vegas. We had single tickets (9)________ we wanted to
drive back to Denver. Our first stop was the Grand Canyon. There is a hotel in Grand Canyon
village but we (10)_______ stay in the hotel. The weather (11)______ awful but we decided to
walk to the bottom of the canyon. Tere is a hostel at the bottom of the canyon (12)________ we
stayed there. There (13) ______ beds for about thirty people in the hostel and there (14)________
a kitchen and a dining room. You pay about $50 per person and (15) _______ have dinner and
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home town in the hostel. The hostel was full and (17)_______ were lots of American people there. I
(18)_______ Americans because they‟re so friendly and polite. The next day we had breakfast
(19)_______ seven o‟clock and checked out at half past seven. Then we walked back to
(20)_______ village and had lunch in the hotel.
4 Напишите вопросы к данным ответам (10 баллов)
Example: Yes, I am. This is my husband. - Are you married?
1 I‟m twenty three.
2 I‟m an engineer.
3 Fine, thanks.
4 At a quarter past seven.
5 Yes, one brother and two sisters.
6 We usually go abroad.
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