Предмет: Химия, автор: dart1s

Виписати формули простих речовин назви яких не співпадають з
назвами хімічних елементів

Ответы

Автор ответа: puzyrevnikolaj8
1

Ответ:

По фото можно сделать это задание

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Reading
Task 1. Read the texts and answer the questions.
Synthetic fabrics
Synthetic fabrics do not come from plants or animals. They are made of chemicals, and the chemicals usually
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People have always worn clothes made of wool, especially in cold countries. The wool comes from sheep,
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Silk
The first silk was made in China about 5, 000 years ago. The secret of silk is a tiny animal, called a silkworm.
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Cotton
Most shirts, t-shirts, jeans, socks, and underwear are made of cotton. Cotton clothes are good in hot countries
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Cotton plants grow in fields. The white balls on the cotton plant are picked and washed, and then they are made
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Task 2
Answer the questions.
1. What types of wool exist?
2. Why do we need wool?
3. Why is silk fabric so specific?
4. If we don't have a silkworm can we substitute this animal for production silk or fabric close to this one.
5. What is the process of making cotton?
7. Is it hard to make cotton? Why?
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Fill the gaps with the correct prepositions at, by, of, on, to, as.
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2. The fashion journal was written
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5. He reminds me
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foot.
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