Ce masă are Fierul
Fier

Quiz
•
Chemistry
•
8th Grade
•
Medium

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
56,692
55,845
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simbolul Fierului
Fe
Fr
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numărul Fierului în tabelul periodic
24
26
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care sunt valențele Fierului
2 si 4
2 si 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este temperatura de topire a fierului?
Aproximativ 1535°C
Aproximativ 1000°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este una dintre principalele utilizări ale fierului?
Fabricarea plasticului
Fabricarea oțelului
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce vitamină este necesară pentru o absorbție eficientă a fierului în organism?
Vitamina C
Vitamina D
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