Тест на тему Производная

Тест по химии: Степени окисления (8 класс) Тип вопросов: Множественный выбор Количество вопросов: 10 Выводить тест с ответами: Без ответов

1. В молекуле H2O определите степени окисления водорода и кислорода. A) H +1, O -2 B) H -1, O +2 C) H +2, O -2 D) H 0, O 0

2. В молекуле CO2 определите степень окисления углерода. A) C -4 B) C +4 C) C 0 D) C +2

3. В соединении NaCl определите степени окисления натрия и хлора. A) Na +1, Cl -1 B) Na -1, Cl +1 C) Na 0, Cl 0 D) Na +2, Cl -2

4. В соединении SO2 определите степень окисления серы. A) S -4 B) S +2 C) S +4 D) S 0

5. В H2SO4 определите степени окисления H, S и O. A) H +1, S +6, O -2 B) H +1, S +4, O -2 C) H +2, S +6, O -2 D) H +1, S +6, O -1

6. В ионе NO3− определите степени окисления азота и кислорода. A) N +3, O -2 B) N +5, O -2 C) N +6, O -2 D) N +4, O -2

7. В ионе MnO4− определите степень окисления марганца. A) Mn +6 B) Mn +7 C) Mn +8 D) Mn +4

8. В молекуле H2O2 определите степень окисления кислорода. A) O -2 B) O -1 C) O -3 D) O 0

9. В ионе SO4^2− определите степень окисления серы. A) S +6 B) S +4 C) S -2 D) S +2

10. В оксиде алюминия Al2O3 определите степень окисления алюминия. A) Al +3 B) Al +2 C) Al +4 D) Al 0

Ниже тест по математике для 4 класса на тему уравнений. Формат: открытые вопросы. 10 заданий. В конце — ответы.

Вопросы

1. Реши уравнение: x + 9 = 15. Найди x.
2. Найди неизвестное: 7 + x = 12. Найди x.
3. Реши уравнение: x - 4 = 9. Найди x.
4. Реши уравнение: 2x = 14. Найди x.
5. Реши уравнение: 3x = 21. Найди x.
6. В коробке было x карандашей. Из коробки взяли 6 карандашей, осталось 11. Найди x.
7. У Лизы было x конфет. Она дала другу 7 конфет, стало 4 конфеты. Найди x.
8. Найди x из уравнения: x + 7 = 2x. Найди x.
9. Найди x: 6 = x + 2. Найди x.
10. Найди x из уравнения: x ÷ 3 = 5. Найди x.

Ответы

1. x = 6
2. x = 5
3. x = 13
4. x = 7
5. x = 7
6. x = 17
7. x = 11
8. x = 7
9. x = 4
10. x = 15

Конечно! Вот тест по теме "Present Simple" для учеников 6 класса с 20 вопросами в формате множественного выбора. В конце вопросов ответы не указаны.

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Тест по английскому языку: Present Simple (Уровень 6 класс)

1. Which of the following sentences is correct? A) She go to school every day.
   B) She goes to school every day.
   C) She going to school every day.
   D) She gone to school every day.

2. Choose the correct form of the verb:
   They ___ football on weekends.
   A) play
   B) plays
   C) playing
   D) played

3. Which sentence is used to express a habitual action?
   A) I am reading now.
   B) I read every morning.
   C) I will read tomorrow.
   D) I am going to read.

4. Complete the sentence:
   My brother ___ (not / like) vegetables.

A) doesn’t like
B) don’t like
C) isn’t like
D) didn’t like

5. Which of these sentences is correct?
   A) The cats sleep during the day.
   B) The cats sleeping during the day.
   C) The cats sleeps during the day.
   D) The cats slept during the day.

6. Choose the correct question form:
   ___ you like chocolate?
   A) Do
   B) Does
   C) Did
   D) Are

7. Pick the correct sentence.
   A) He often watch TV.
   B) He often watches TV.
   C) He often watchs TV.
   D) He often watching TV.

8. Which verb form is correct for I in Present Simple?
   A) go
   B) goes
   C) going
   D) gone

9. Complete the sentence:
   We ___ (study) English every day.

A) study
B) studies
C) studying
D) studied

10. Choose the correct negative sentence:
    A) She doesn’t like ice cream.
    B) She don’t like ice cream.
    C) She not like ice cream.
    D) She didn’t like ice cream.

11. What is the correct form for the sentence? "They ___ (live) in London."
    A) live
    B) lives
    C) living
    D) lived

12. Which sentence is in Present Simple?
    A) I am swimming.
    B) I swam yesterday.
    C) I swim every morning.
    D) I will swim tomorrow.

13. Complete the question:
    ___ he play the guitar?

A) Do
B) Does
C) Did
D) Is

14. Which form is correct?
    My sister ___ (work) at a bank.

A) work
B) works
C) working
D) worked

15. Choose the correct sentence:
    A) The boys go to school by bus.
    B) The boys goes to school by bus.
    C) The boys went to school by bus.
    D) The boys going to school by bus.

16. Complete the sentence:
    We ___ (not / watch) TV in the morning.

A) don’t watch
B) does not watch
C) didn’t watch
D) aren’t watch

17. Which question is correct?
    A) Do you like apples?
    B) Do like you apples?
    C) Likes you apples?
    D) Are you like apples?

18. Choose the correct form:
    He ___ (take) the bus to school.

A) take
B) takes
C) taking
D) took

19. Complete the sentence:
    My friends ___ (play) basketball after school.

A) play
B) plays
C) playing
D) played

20. Which sentence is correct?
    A) She always gets up early.
    B) She always get up early.
    C) She always getting up early.
    D) She always got up early.

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