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Рассчитайте химическое количество H2O в навеске массой 14,8 кг
Ответы 2
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оценка """"""0""""""
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Автор:
barrettmathews - 6 лет назад
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Б) Рассчитайте химическое количество выделившегося ... 17 – Г. 3 – В. 8 – Г. 13 – Б. 18 – Б. 4 – Б. 9 – Б. 14 – А ..... 2NaOH + CO2 → Na2CO3 + H2O – 1 балл.
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Автор:
pregoihvt - 6 лет назад
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1. Read the text and do the tasks below.
Hello, I am Mary! I lead a busy life. I usually wake up at 7.30 am. I never have late nights. I always go to bed before 10 pm. When I go to school, I have a strict daily routine. My dad drives me to school. Lessons start at 8.30 am and finish at 2.30 pm. My brother picks me up from school and takes me home. Every Monday and Thursday, I have Spanish classes after school. On Wednesday and Saturday I play basketball. So I get home at 5 pm three times a week. In the afternoons, I do my homework and I read books or watch TV for half an hour before I go to bed. At the weekends, I go to the cinema with my friends or go on short trips to the countryside with my parents.
a. Put true or false:
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5. She stays at home at the weekends.
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5. What does she do at the weekends?
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2. ____half past four
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10. What are you doing ___ Thursday evening?
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6. Why ____ you want to learn English?
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1. Listen! Somebody ________________________ (sing).
2. I am sorry. I ______________________(not/ understand).
3. You can turn off the TV. I ______________________ (not/ watch) it.
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