Предмет: Химия, автор: Glazik196

Помогите пожалуйста)
Номер 1 и 2

Приложения:

Ответы

Автор ответа: Сашенька132
0
в первом задании-K2SO4
во втором SO4(2-)  (3)
Автор ответа: Glazik196
0
Спасибо
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: Fatimatemirkan
Воооот помогитеееее пожалуйстаааа умоляююююю
7 лет назад
Предмет: География, автор: gelyaaaa4
В яких містах України функціонує метрополітен?​
7 лет назад
Предмет: Английский язык, автор: linkur
III. Сделайте предложения отрицательными:

1. She made a mistake in my exercise.
2. I woke very early this morning.
3. He went to school this morning.
4. Henry swam across the river.
5. The girls went to the party.
6. Omar rode to school on his bicycle.
7. My father gave us good ideas for our pictures.
8. Yesterday evening I watched TV.
9. The children sang very well.
10. Mary painted this poster yesterday.
11. I wrote a letter yesterday.
12. They took part in the competitions.

V. Сделайте предложения вопросительными:
1.The lesson began at nine o'clock.
2. My father went to the office by car.
3. Mike caught the ball.
4. The cat drank its milk.
5. She drew a picture of the teacher.
6. Mike bought a bicycle.
7. He opened the door.
8. She broke the vase.
9. Ann walked to school.
10. I knew Kate.
11. We have a holiday last year.
12. My sister bought a new dress yesterday.

VI. Поставьте глаголы в скобках в Past Continuous Tense.
1. I (play) the guitar when he came into the room.
2. Mother (plant) roses when he came.
3. She (write) a letter when I came home.
4. The children (eat) a birthday cake when father came home.
5. Askar (work) all day yesterday.
6. I (sit) by the window when I heard the noise.
7. When you rang me yesterday, I (have) a bath.
8. Granny (bake) a cake yesterday at 3 o’clock.
9. I (cook) pizza when you came at home.
10. At six o’clock he (wait) for Mary at the station.
11. He ( walk) home when the rain began.
12. The baby ( eat) its dinner when I came home.

VII. Past Simple or Past Continuous.
1. When she was young, she (dance) a lot.
2. Mike (drive) home when his car (break down).
3. Nick (read) a book while Kate (watch) TV at 4 o’clock yesterday afternoon.
4. Father was tired. He ( work) on his computer all night.
5. He was upset because he (lose) his money.
6. I (wait) for an hour before the bus (come).
7. Mary and Ann (talk) when I (come) into the room.
8. When I (came) home Granny (knit).
9. When the teacher (came) into the class, John (write) on the board.
10. While my son (wait) for my call, somebody (knock) at the door.
7 лет назад
Предмет: Математика, автор: oleshgaga
СРОЧНО дам 98 баллов
решать только задания под номером 6
срочно
10 лет назад
Предмет: Математика, автор: Аноним
помогите решить задачю по действиям
с одного и того же края катка одновременно побежали в одном направлении 2 мальчика со скоростью 9м/с и 6м/с через сколько секунд один из них окажется на 150м впереди другого
помогите
10 лет назад