Предмет: Химия, автор: ulia65

Реакция, в конечном итоге которой происходит растворение осадка:
A)этилен+Br2
B)K2CO3+H2SO4
C)Cu(OH)2+HNO3
D)C2H4+KMnO4+H2O

Ответы

Автор ответа: тайная
0
ответ: C)
Cu(OH)2 (осадок) +2HNO3 = Cu(NO3)2 + 2H2O
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: Аноним
Помогите плииииииз!!
6 лет назад
Предмет: Английский язык, автор: alinasviridova025
1)Find a noun:
<variant> retirement
<variant> react
<variant> own
<variant> translate
<variant> golden
2)Find the second part of a proverb: Good beginning makes …
<variant> … make light work
<variant> …costs nothing
<variant> … half done
<variant> … all wound
<variant> …a good ending
3)Match a word with the meaning: forecast
<variant> a picture of the weather drawn by scientist
<variant> a scientist who studies the weather
<variant> predict
<variant> a flash of light in the sky
<variant> to happen
4)Match a word with the meaning: meteorologist
<variant> a flash of light in the sky
<variant> a picture of the weather drawn by scientist
<variant> predict
<variant> a scientist who studies the weather
<variant> to happen
5)Match a word with the meaning: lighting
<variant> predict
<variant> a picture of the weather drawn by scientist
<variant> to happen
<variant> a flash of light in the sky
<variant> a scientist who studies the weather
6)Match a word with the meaning: to occur
<variant> to happen
<variant> a scientist who studies the weather
<variant> a flash of light in the sky
<variant> a picture of the weather drawn by scientist
<variant> predict
7)Match a word with the meaning: weather map
<variant> a picture of the weather drawn by scientist
<variant> a flash of light in the sky
<variant> to happen
<variant> a scientist who studies the weather
<variant> predict
8)Choose the right written word:
<variant> borroed
<variant> borrowed
<variant> borxowed
<variant> borroued
<variant> barrowed
9)Find the odd word:
<variant> fifth
<variant> seventh
<variant> twelfth
<variant> forty
<variant> second
10)Choose the right pronoun: …books were read last year.
<variant> those
<variant> one
<variant> that
<variant> it
<variant> this
11)Choose the right answer: I know she does a difficult job. I watched her ___ the mistress make butter.
<variant> helps
<variant> helped
<variant> helpt
<variant> helping
<variant> helpy
12)Complete the sentence with the right word: Books ____ out of the library must be returned within three weeks.
<variant> taking
<variant> to take
<variant> take
<variant> takes
<variant> taken
13)Choose the right answer: My mother wants me _____ a doctor.
<variant> to become
<variant> become
<variant> became
<variant> becomed
<variant> becomes
14)Choose the right answer: ______ many years ago, the book is still relevant today.
<variant> Be write
<variant> Been written
<variant> Being written
<variant> Is write
<variant> Was write
15)Choose the right answer: “Is ______ all right?” “Yes, thanks.”
<variant> anything
<variant> everything
<variant> something
<variant> nothing
<variant> nowhere
16)Choose the right preposition: Please go ____ the sitting room. I’ll be with you in a moment.
<variant> on
<variant> at
<variant> into <variant> for
<variant> from
17)Choose the right preposition: Tell me when you arrive and I’ll pick you ___ at the station.
<variant> in
<variant> on
<variant> at
<variant> by
<variant> up ​
6 лет назад
Предмет: Алгебра, автор: Аноним
Раскройте скобки
- 3(z + ху – 6у) =
• - 1( а + в – с) =
• 2 (21 - а – 66в) =
• 10(- с - 49 + 3а) =
• - 6(9 – а – 5в) =
• 57(- а + в – с) =
• - (85 - а – 404в) =
• 51(в - 10 + а) =
6 лет назад
Предмет: Математика, автор: ladyantonina17
в первом бочонке 7кг меда,а во втором на 5кг больше .Сколько всего килограммов меда в этих боченках?"
9 лет назад
Предмет: Биология, автор: You1name

Инфузория-туфелька, пресноводная гидра – строение тела, питание, дыхание, выделение. 
9 лет назад