Metale

Metale

10th Grade

12 Qs

quiz-placeholder

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Metale

Metale

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

A P

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12 questions

Show all answers

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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