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Александра

Authored by Александра Колиснык

Chemistry

8th Grade

Used 1+ times

Александра
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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Выбери формулы кислот

H2SO4

NaBr

Fe(OH)3

CO2

H2SiO3

2.

MULTIPLE CHOICE QUESTION

1 min • Ungraded

В кислоте должен быть водород?

да

нет

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Кислота имеющая фтор в составе - это

(a)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Формула гидроксида меди (I):

Cu(OH)2

CuO

Cu2O

CuOH

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Формула соляной кислоты -

(a)  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Выбери формулы гидроксидов

NaCl

H2SO4

NaOH

FeO

Ca(OH)2

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Выбери формулы только оксидов

NaCl
HCl

CH4

H2O

SO2

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