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Химия - 9 клас - Въглерод

Authored by Мариян Иванов

Chemistry

9th Grade

Used 16+ times

Химия - 9 клас - Въглерод
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36 questions

Show all answers

1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Алотропни форми на въглерода са графит, диамант и (a)  

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Алотропни форми на въглерода са графит, фулерени и (a)  

3.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Алотропни форми на въглерода са диамант, фулерени и (a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C+2H2−>..........C+2H_2->..........

CH2CH_2

CH4CH_4

CH6CH_6

CH

5.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

2 x +O2−>2CO2\ x\ +O_2->2CO

Кое вещество е "х"?

(a)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2CO+O2−>2 ..........2CO+O_2->2\ ..........

COCO

CO2CO_2

CO3CO_3

CO4CO_4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CO2+H2O−>........CO_2+H_2O->........

H2CO3H_2CO_3

CO3+H2CO_3+H_2

3COH

2HOC

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