
FORMULACIÓ REPÀS 4ESO
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Ana Serna Oliver
Used 6+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La fórmula correcta de l'àcid clorhídric és:
HClO3
HCl
H2ClO3
H3Cl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l'H2MnO4 es fa amb
Mn (+2)
Mn(+4)
Mn(+6)
Mn(+7)
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El sodi és un
Metall de transició
Halogen
Alcalí
Anfigen
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El/els nombres d'oxidació del ferro són
-2
+2
-2
+2, +3
+2, +3
+1, +2, +3
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Ordenats de MAJOR a MENOR electronegativitat, la seqüència correcta és:
H, F, Fe, Be
F, Fe, Be, H
Be, Fe, F, H
F, H, Fe, Be
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Al compost CO2 els elements actuen amb els següents nombres d'oxidació:
C (+2)
O (-2)
C (-2)
O (+2)
C (+4)
O (-1)
C (+4)
O (-2)
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
L'organisme internacional que dicta les regles per formular i anomenar els compostos químics és la
IUPAC
UIPAC
QUIMPAC
QUIPAM
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