
Chimia
Quiz
•
Chemistry
•
10th Grade
•
Medium
Cristi Smoleac
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxigen se formeaza la descompunerea termica a
CaCO3
HgO
(CuOH)2CO
MgO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Din punct de vedere chimic metalele au caracter
Acid
Bazic
Neutru
Reducator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ceața reprezintă
particule fine de substanță solidă dispersate în gaz
particule fine de substanță gazoasă dispersate în lichid
particule fine de substanță lichidă dispersate în gaz
particule fine de substanță gazoasă dispersate în gaz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În care din următoarele transformări are loc un proces de oxidare?
ClO3 − → ClO2
Cr3+ → CrO4 2
PO4 3− → PH3
IO3 − → I −
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nucleul este partea.................................................. a atomului
Centrala
Exterioara
Inlaturata
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Clorul formează molecule
Polare
Nepolare
Neutre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce sarcina are atomul?
Negativa
Pozitiva
Neutra
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