Предмет: Химия, автор: Мария445

Ребят как отличать кислоты , соли, оксиды, и основания друг от друга

Ответы

Автор ответа: NastiaMalina
0
Ну , кислоты состоят из Водорода и кислотного остатка.(Вообще,кислот там немного,лучше их выучить).Соли состоят из атомов металлов и кислотного остатка. Оксиды состоят из двух химических элементов , один из которых кислород. 
Примеры кислот : H₂SO₄ , H₂CO₃ .
Примеры солей : AgNO₃ , NaCl .
Примеры оксидов: Na₂O , CaO . 
Автор ответа: Мария445
0
кислоты это Азотная , Азотистая , Серная и тд это надо выучить ?
Автор ответа: NastiaMalina
0
да,тебе так будет легче.
Автор ответа: Мария445
0
хорошо спасибо ;)
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Текст

My town – Armsheer
I live in a small city in the south of England. It’s called Armsheer. It has got great stadiums and is the best place to play football in the United Kingdom. There are lots of football schools where you can learn how to play football. I go to play football with my friends every weekend.
I love Armsheer because there are lots of other things to do as well as playing football. If you like sports with balls, you can go to play cricket, badminton or rugby. Cricket, football, rugby, tennis, table tennis, badminton, squash, canoeing and snooker were invented in Britain. Cricket is a popular summer sport in Britain. There are many cricket clubs in the town. Cricket players wear a certain uniform — white boots, a white T-shirt and white trousers. One cricket game takes a terribly long time. There are two teams of 11 players each and test matches between national teams can last up to 5 days. The spectators have to be very patient. The game is played on a pitch with a wicket at each end. The rules of the game have changed over the years. It is a game which is associated with long sunny summer afternoons, the smell of new-mown grass and the sound of leather ball beating the willow cricket bat. Cricket is more popular among men, but it is also played by women and girls.

Complete the sentences below, follow the sentence structure:

4. Alex likes Armsheer because he can go … [1]
__________________________________________________________________
5. The spectators have to be very patient because… [1]
__________________________________________________________________
6. Such sports as _______________________________________________ _____________________________________________were invented in Britain. [1]




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