Предмет: Химия, автор: dreninaleksandr2

Выбери реагент, который можно использовать для получения конечного продукта в цепочке превращений.
Cu
=¹
CuO
=²
CuCl2
=³
Сu(OH)2

A) CaO
B) H2O
C) KOH
D) Fe(OH)2

Ответы

Автор ответа: bileyanastasiya

0

Ответ:

KOH

Объяснение:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: DaniilNikitos

составьте словосочетание или предложение с иноязычными словами в которых пишется о после шипящих шомпол шоколад шоссе шофёр жонглер

1 год назад

Предмет: Английский язык, автор: плияда

помогите пожалуйста срочно!!!!!
Exercise 2.

Make nouns from the words in brackets using suffixes -ment, -ing, -ity or -ist.

1)They stared in ___. (amaze)
2)Terrible ___ broke out in the streets. (fight)
3)A person skilled or employed in telegraphy is called a ___. (telegraph)
4)The directive required equal ___ for men and women in social security schemes. (treat)
5)He was a real ___. (moral)
6)Creation belongs to eternity and ___to time. (develop)
7)Her cheeks were flushed with ___ (excite)
8)She showed increasing signs of ___. (labile)
9)Their company need a ___ (technology)
10)This campaign is one of the most successful in the history of___. (advertise)

Exercise 3.

Make questions from the following sentences. Begin with “How…”

1)They have been sweeping the floor since morning. – How …?
2)It will take her half an hour. – How…?
3)You are speaking too fluently. – How…?
4)The book was really interesting. – How…?
5)This table is tree meters long. – How…?
6)I feel good. – How…?
7)We have made a lot of money. – How…?
8)This word is pronounced like this. – How…?
9)Their holidays were amazing! – How…?
10) They performed excellently. – How…?

Exercise 4.

Open the brackets and put the verbs into Past Simple.

1)We _______ them to our party but they ______. (invite, not come)
2)This house _____ a lot of money ten years ago. (cost)
3)____ it ___ yesterday? (rain)
4)I _______ the film which I _____ at the week-end. (not enjoy, see)
5)I _____ enough time to write a letter. (have)
6)I _____ really angry with her. (be)
7)Why ___ you ___ me on Tuesday? (not phone)
8)We _______ her to the party, so she _____. (not invite, not come)
9)Yesterday morning he _____ early. (wake up)
10)Yesterday Tim _____ to work. (walk)

1 год назад

Предмет: Английский язык, автор: radost02

Which of the functions doesn't belong to travel agencies?
a. Help people to arrange trips.
b. Plan sightseeing tours.
c.Help people to pack up things

1 год назад

Предмет: Русский язык, автор: vinera79

напишите письмо на тему письмо дедушке 8 предложений

7 лет назад

Предмет: Химия, автор: alekseevvitalik05

Определить ионы Гидрогена можно с помощью

7 лет назад