Предмет: Химия, автор: symbatzamanova08

Элемент IV группы образует газообразное соединение с водородом, содержащее 25 % водорода. A) кремний B) цирконий C) олово D) углерод E) титан

Ответы

Автор ответа: mehdizademehdi700

0

Ответ:

я думаю что там ответы: А,Е

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: skaty12345678

Раздели слова на 2 группы. Выделите корень в однокоренных словах:

Моряк, заморозки отморозил мореплаватель заморские морозец морозный морская

2 года назад

Предмет: Английский язык, автор: alukard1372

1. Put the words in the right order to make questions.
Example: my apple/ate/who?
1) who/talking to/are you?
2) who/going to the cinema with/are you?
3) telephoned/who/Fred?
4) did/who/Fred telephone?
5) who/Francesca/wrote to?
6) who/Francesca/write to/did?
7) played/tennis/who?
8) who/play tennis with/you/did?
9) did/to the party/invite/who/you?
10) who/to the party/invited you?
2. Read story. After the story there are some answers to questions about the story. Write the question for each answer. The first two have been done for you.
In the middle of Buenos Aires, Antonio is watching a football match on television. His favourite team is playing. It’s an important game. Suddenly, Antonio’s team gets a goal. His team has won 3-2. Antonio kisses Julietta, his wife. She kisses Alberto, their baby son. Alberto laughs at Antonio. Carlos, his uncle, has also watched the game. He telephoned his friend, Juan. Juan tells his wife, Lita. Then Lita told her friend Carmen. Carmen’s mother was cooking the dinner. Carmen’s husband, Paulo was very excited. Paulo ran to tell hiss friend Marco. Marco wasn’t interested. He was having a quarrel with his wife, Maria. She forgot to tell him about the game!
1) Who laughs? Alberto.
2) Who does Antonio kiss? Julietta.
3) ………………… ? Antonio.
4) ………………… ? Carlos.
5) ………………… ? Juan.
6) ………………… ? Lita.
7) ………………… ? Carmen.
8) ………………… ? Carmen’s mother.
9) ………………… ? Paulo.
10) ………………… ? Marco.
11) ………………… ? Marco and his wife, Maria.
12) ………………… ? Maria.
Units 11-14
1. Don’t (do/to do/doing) that!
2. Open (please the bag/the bag please/you please the bag/).
3. The photographs (were/was/they) beautiful.
4. He (were/was/weren’t) at home yesterday.
5. When (were they/was they/they were) in Portugal?
6. I (have met/was met/met) her in 1997.
7. The baby (it cried/cried/cryed) all day.
8. They (not buy/not bought/didn’t buy) the house in 1995.
9. (Did it rain/Did it to rain/Did it rains) last night?
10. (Have/Does/Did) Mr Rolls and Mr Royce build their first car in 1906?
11. Did you eat those biscuits? Yes, I (did/didn’t/do)
Units 15-17
12. Jane (sitting/was sitting/is sitting) in the bath when the telephone rang.
13. (Eating they were/Were they eating/Eating they) when you arrived?
14. Vivienne was studying at university when she (met/has met/is meeting) Jim.
15. He (has wash/washing/has washed) his hair. It’s still wet.
16. (Have you to clean/Has you cleaned/Have you cleaned) your shoes?
17. I have (buyed/ buying / bought) the newspaper
18. They (have been / have gone / have go) to Manchester. They’re coming back on Monday.
19. (Is/Have/Has) Tom arrived?
20. Have you spoken to Harry? No, I (haven’t/have/hasn’t)
21. Have you (Chinese food eaten ever /ever eaten Chinese food /Chinese food ever eaten)?
22. No, I’ve (never ate/eaten never/never eaten) Chinese food.
Units 18-19
23. I (am going to/am going/going to) buy a new jumper tomorrow.
24. She’s going (to having/to have/have) a shower.
25. Am (I going to/he going to/they going to) be rich?
26. (I’ll to/I’ll/I going to) see you next week.
27. They (won’t/will to/won’t to) play football tomorrow.
28. It’s snowing! (Shall we a taxi take/Will we a taxi take/Shall we take a taxi).
Units 20-23
29. You (mustn’t to/haven’t/mustn’t) lie to me. Tell the truth.
30. You (mustn’t/doesn’t have to/don’t have to) pay to go into the museum. It’s free.
31. (Must I/Do I have/Does I have) to eat all these vegetables?
32. Jackie (can’t/can/t to/don’t) swim.
33. Can you play the piano? Yes, I (can/can’t/doesn’t)
34. Where (the post office is/be the post office/is the post office) ?
35. We have white bread and brown bread. (Which/When/What) do you prefer?
36. (Which/When/What) do you want for your birthday?

2 года назад

Предмет: Английский язык, автор: Aisulu171

как это сделать? I met /was meeting my teacher while i walked /was walking

2 года назад

Предмет: Алгебра, автор: Аноним

Площадь первого поля 27,3 га. Площадь второго поля на 4,8 га меньше площади первого, а площадь третьего поля в 1,6 раза больше площади второго. Чему равна площадь всех трёх полей вместе?

9 лет назад

Предмет: Химия, автор: машалплп

вычислите объем газа по водороду и воздуху.помогите через неделю экзамен

9 лет назад