Предмет: Химия, автор: zapster

составьте структурную формулу альдигида:
1) 2 метил пропаналь
2) 2,3 диметил бутаналь
3) 3,3 диметил пентаналь
4) 3 этил гексаналь
5) 2,2,3 триметил бутаналь​

Ответы

Автор ответа: jnona
0

ответ во вложении )))))))))))))

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Выберете правильный пункт?

1. Тhе саr was doing about eighty miles ,,. hour.
a) a; b) an; c) the; d) no article

2. ...dynamite was invented by Alfred Nobe|.
a) the; b) an; c) a; d) no article

3. l bought ,.. раir of leather gloves.
a) the; b) an; c) a; d) no article

4. She visited them ... couple of times.
a) the; b) an; c) a; d) no article

5. ,,. number of books in his collection is almost five thousand.
a) the; b) an; c) a; d) no article

6. Не was paralyzed with ... horror.
a) the; b) an; c) a; d) no article

7. She needs to do ,.. few things today,
a) the; b) an; c) a; d) no article

8. We have ... few chairs, We need mоrе chairs.
a) the; b) an; c) a; d) no article

9. l сап рау fifty dollars at ,., most.
a) the; b) an; c) a; d) no article

10. l сап recommend ... numberr of good grammar books.
a) the; b) an; c) a; d) no article

11. What ... beautiful day!
a) the; b) an; c) a; d) no article

12. l bought ... leather gloves.
a) the; b) an; c) a; d) no article

13. We have ... little flour. We need mоrе flour.
a) the; b) an; c) a; d) no article

14. Оn ... whole, your plаn seems interesting.
a) the; b) an; c) a; d) no article

15. We have ,.. little flоur. Lеt's make а pie.
a) the; b) an; c) a; d) no article

16. Не lost... lаrgе amountof mоnеу lastyear.
a) the; b) an; c) a; d) no article

17. Оп ... оnе hand, l don't want to go there. Оп .., other hand, l want to talk to Mike.
a) the; b) an; c) a; d) no article

18.I sentthe report bу... maiI.
a) the; b) an; c) a; d) no article



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