
REACTII DE SUBSTITUTIE
Authored by Marlena Dolis
Chemistry
8th Grade
Used 45+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Schema generală a unei reacții de substituție este:
A + B → C
A + BC → AC + B
AB → B + C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seria activității chimice a metalelor cuprinde:
toate metalele așezate în ordinea descrescătoare a activității lor chimice;
toate nemetalele așezate în ordinea creșterii numărului atomic Z;
toate elementele chimice așezate în ordinea creșterii numărului de masă A.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se formează hidrogen din reacția Na+ H2O=
adevarat
fals
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt reactii de substitutie:
Na+ H2O =
Fe +CuSO4 =
NaOH+ H2SO4 =
Al+O2 =
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Din reactia Al+ FeSO4 se formeaza
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
reactia de neutralizare este
reactie de combinare
reactie de descompunere
reactie de substitutie
reactie de schimb
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