
Metale
Quiz
•
Chemistry
•
10th Grade
•
Hard
A P
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaznacz prawidłową konfigurację elektronową żelaza:
[Ar] 3d84s1
[Ne]3d64s2
[Ar] 3d64s2
[Ar] 3d34s2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaznacz stopnie utlenienia chromu:
I, II
II, IV
I, II, III
II, III, VI
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rdzewienie to korozja
manganu
stopów chromu i niklu
stopów żelaza
stopów metali
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaznacz prawidłową reakcję syntezy chlorku żelaza(III) FeCl3 :
Fe + Cl → FeCl3
Fe2 + Cl2 → FeCl3
Fe + 3Cl → FeCl3
2 Fe + 3 Cl2 →2 FeCl3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W reakcji Mn + HCl powstaje chlor.
Prawda
Fałsz
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mangan i chrom maja właściwości ferromagnetyczne.
Prawda
Fałsz
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaznacz prawidłową reakcję powstawania siarczanu(VI) chromu(III)
Cr + H2S → Cr2S3 + H2
Cr + H2SO4 → CrSO4 + H2
Cr + H2SO4 → Cr2(SO4)3 + H2
2 Cr +3 H2SO4 → Cr2(SO4)3 + 3 H2
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