Chimie - Quiz de Cunoștințe
7th Grade
•15 Qs
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Chimie - Quiz de Cunoștințe
Quiz
•
Geography
•
7th Grade
•
Medium
Ion Gutu
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este simbolul chimic al oxigenului?
O₂
O
O3
Ox
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce element chimic are simbolul „Na”?
Nickel
Sodiu
Neon
Neptunium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de legătură chimică există între atomii de oxigen și hidrogen într-o moleculă de apă?
Covalentă
Ionică
Metallică
Van der Waals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce gaz este necesar pentru ardere?
Nitrogen
Hydrogen
Oxygen
Carbon dioxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele substanțe este o bază?
HCl
NaOH
H₂SO₄
CO₂
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce pH are o soluție neutră, cum este apa pură?
0
7
14
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este simbolul chimic al aurului?
Ag
Au
Pb
Al
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