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REACȚII. REACȚII DE OXIDO -REDUCERE- PARTEA II

Authored by IRINA MARIN

Science

9th Grade

Used 3+ times

REACȚII. REACȚII DE OXIDO -REDUCERE- PARTEA II
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

În procesele de reducere, valoarea numǎrului de oxidare creşte

A

F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

În ecuația chimică Cl2 + 2NaOH → NaCl + A + H2O, compusul (A) are formula chimică

NaClO4;

NaClO2

NaClO3

NaClO

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La arderea fierului într-o atmosferă de clor se formează clorura de fier(II).

A

F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H2O + Cl2

FeCl3

Na2O2

NaCl + H2O

NaOH + H2

HCl + HClO

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NaOH + HCl

FeCl3

Na2O2

NaCl + H2O

NaOH + H2

HCl + HClO

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na + H2O

FeCl3

Na2O2

NaCl + H2O

NaOH + H2

HCl + HClO

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na + O2

FeCl3

Na2O2

NaCl + H2O

NaOH + H2

HCl + HClO

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