Предмет: Химия, автор: Аноним

На які групи поділяють усі речовини?

Ответы

Автор ответа: andrei821

Ответ:Речовини за їх складом можна класифікувати на дві групи. Прості речовини – це речовини, які складаються з атомів одного виду. Складні речовини – це речовини, які складаються з атомів двох або більше видів.

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Reading Task 1. Read the text and find if the statements are true or false. The Boy and the Door There was a small shop in a little street in an old town. In the shop there were beautiful things made o silver and gold. The small shop had a door that opened on the little street. The shopkeeper was standing a the open door. "Come and buy! Come and buy!" called the shopkeeper. "Come into my shop and see all the beautifu things!" again he called. "Come in! I shall show you beautiful things made of silver and gold." One day the shopkeeper had to go away to the king's palace. The king wanted a beautiful gold ring and silver cup from the shop. The shopkeeper called the boy who worked for him. "I'm going to the king palace," he said. "You must stay here. Do not leave the door of the shop whatever happens. Do yo understand?" "Yes, I understand," said the boy. The shopkeeper went away, and soon he came to the king's palace. He gave the king the ring and the cu Then he went home. Soon he was back at his shop. He stopped and looked up in astonishment. "What this?" he cried. "Why are so many people going into my shop?" Then the shopkeeper saw that the door the shop was gone and so was the boy who worked for him. Just then, the shopkeeper saw the boy. He was in the street near the shop. The boy had the shop door his back. He was standing in the square looking at some men who were doing tricks. The shopkeeper ran to the boy. "I told you not to leave my shop," he cried. "No," said the boy. "You told me not to leave the door. I did just as you said. I did not leave the doc have the door here with me." 1. It was a big new shop. 2. The shopkeeper usually stood at the open door. 3. The things in the shop were beautiful and expensive. 4. The shopkeeper asked the boy not to leave the door. 5. The shopkeeper went to the king's palace. 6. When the shopkeeper came back, his shop was ruined. 7. The boy took the door with him. 8. The boy did what the shopkeeper had told him.